21:56:31 SYSTEM PROCESSOR INITIATED...
> Found 10 records in database.
> Pit and Quarry magazine https://archive.org/details/pub_pit-quarry
> Bristol Industrial Archeology Society https://b-i-a-s.org.uk/bias-journal-index-2/
> Moldywarps Speleological Group https://nymcc.org.uk/publications/moldywarps-speleological-group/
> Articles https://pdmhs.co.uk/files/articles.php
> Welsh Mines Society https://www.welshmines.org/previousnewsletters
> Adventure Traveller https://www.youtube.com/@adventuretraveller007
> Ben o Cam https://www.youtube.com/@BenoCam
> David Webb https://www.youtube.com/@davidwebb5674
> Rossendale Collieries: Northern Industrial History https://www.youtube.com/@rossendalecollieries7995
> Shonky Tours https://www.youtube.com/@shonkytours2039
21:56:31 PROCESS COMPLETE.
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10\",\"date\":\"1925-02-15\"},{\"title\":\"Pit & Quarry 1932-07-27: Vol 24 Iss 9\",\"date\":\"1932-07-27\"},{\"title\":\"Pit & Quarry 1934-09: Vol 27 Iss 3\",\"date\":\"1934-09-01\"},{\"title\":\"Pit and Quarry 1938-07: Vol 31 Iss 1\",\"date\":\"1938-07-01\"},{\"title\":\"Pit & Quarry 1938-09: Vol 31 Iss 3\",\"date\":\"1938-09-01\"},{\"title\":\"Pit & Quarry 1938-12: Vol 31 Iss 6\",\"date\":\"1938-12-01\"},{\"title\":\"Pit & Quarry 1940-09: Vol 33 Iss 3\",\"date\":\"1940-09-01\"},{\"title\":\"Pit and Quarry 1940-11: Vol 33 Iss 5\",\"date\":\"1940-11-01\"},{\"title\":\"Pit & Quarry 1943-11: Vol 36 Iss 5\",\"date\":\"1943-11-01\"},{\"title\":\"Pit & Quarry 1945-01: Vol 37 Iss 7\",\"date\":\"1945-01-01\"},{\"title\":\"Pit & Quarry 1945-09: Vol 38 Iss 3\",\"date\":\"1945-09-01\"},{\"title\":\"Pit & Quarry 1965: Vol 58 Index\",\"date\":\"1965-01-01\"},{\"title\":\"Pit & Quarry 1928-06-20: Vol 16 Iss 6\",\"date\":\"1928-06-20\"},{\"title\":\"Pit & Quarry 1928-11-07: Vol 17 Iss 3\",\"date\":\"1928-11-07\"},{\"title\":\"Pit & Quarry 1927-11-23: Vol 15 Iss 4\",\"date\":\"1927-11-23\"},{\"title\":\"Pit & Quarry 1942-01: Vol 34 Iss 7\",\"date\":\"1942-01-01\"},{\"title\":\"Pit and Quarry 1952-09: Vol 45 Iss 3\",\"date\":\"1952-09-01\"},{\"title\":\"Pit and Quarry 1954-04: Vol 46 Iss 10\",\"date\":\"1954-04-01\"},{\"title\":\"Pit and Quarry 1948-07: Vol 41 Iss 1\",\"date\":\"1948-07-01\"},{\"title\":\"Pit and Quarry 1948-08: Vol 41 Iss 2\",\"date\":\"1948-08-01\"},{\"title\":\"Pit & Quarry 1949-06: Vol 41 Iss 12\",\"date\":\"1949-06-01\"},{\"title\":\"Pit and Quarry 1960-01: Vol 52 Iss 7\",\"date\":\"1960-01-01\"},{\"title\":\"Pit and Quarry July 1950-June 1951: Vol 43 Index\",\"date\":\"1950-07-01\"},{\"title\":\"Pit & Quarry 1919-01: Vol 3 Iss 4\",\"date\":\"1919-01-01\"},{\"title\":\"Pit & Quarry 1930-06-04: Vol 20 Iss 5\",\"date\":\"1930-06-04\"},{\"title\":\"Pit & Quarry 1931-09-23: Vol 22 Iss 13\",\"date\":\"1931-09-23\"},{\"title\":\"Pit & Quarry 1931-12-30: Vol 23 Iss 7\",\"date\":\"1931-12-30\"},{\"title\":\"Pit & Quarry 1929-01-16: Vol 17 Iss 8\",\"date\":\"1929-01-16\"},{\"title\":\"Pit & Quarry 1929-04-24: Vol 18 Iss 2\",\"date\":\"1929-04-24\"},{\"title\":\"Pit and Quarry 1937-05: Vol 29 Iss 11\",\"date\":\"1937-05-01\"},{\"title\":\"Pit & Quarry 1927-03-30: Vol 13 Iss 13\",\"date\":\"1927-03-30\"},{\"title\":\"Pit & Quarry 1927-07-06: Vol 14 Iss 7\",\"date\":\"1927-07-06\"},{\"title\":\"Pit & Quarry 1940-02: Vol 32 Iss 8\",\"date\":\"1940-02-01\"},{\"title\":\"Pit and Quarry 1944-07: Vol 37 Iss 1\",\"date\":\"1944-07-01\"},{\"title\":\"Pit and Quarry 1953-09: Vol 46 Iss 3\",\"date\":\"1953-09-01\"},{\"title\":\"Pit & Quarry 1923-01: Vol 7 Iss 4\",\"date\":\"1923-01-01\"},{\"title\":\"Pit & Quarry 1934-11: Vol 27 Iss 5\",\"date\":\"1934-11-01\"},{\"title\":\"Pit & Quarry 1935-09: Vol 28 Iss 3\",\"date\":\"1935-09-01\"},{\"title\":\"Pit and Quarry 1946-02: Vol 38 Iss 8\",\"date\":\"1946-02-01\"},{\"title\":\"Pit and Quarry 1956-04: Vol 48 Iss 10\",\"date\":\"1956-04-01\"},{\"title\":\"Pit and Quarry 1958-06: Vol 50 Iss 12\",\"date\":\"1958-06-01\"},{\"title\":\"Pit & Quarry 1932-01-13: Vol 23 Iss 8\",\"date\":\"1932-01-13\"},{\"title\":\"Pit & Quarry 1933-09: Vol 26 Iss 3\",\"date\":\"1933-09-01\"},{\"title\":\"Pit and Quarry 1940-06: Vol 32 Iss 12\",\"date\":\"1940-06-01\"},{\"title\":\"Pit & Quarry 1919-03: Vol 3 Iss 6\",\"date\":\"1919-03-01\"},{\"title\":\"Pit & Quarry 1919-04: Vol 3 Iss 7\",\"date\":\"1919-04-01\"},{\"title\":\"Pit & Quarry 1922-01: Vol 6 Iss 4\",\"date\":\"1922-01-01\"},{\"title\":\"Pit & Quarry 1922-10: Vol 7 Iss 1\",\"date\":\"1922-10-01\"},{\"title\":\"Pit & Quarry 1922-12: Vol 7 Iss 3\",\"date\":\"1922-12-01\"},{\"title\":\"Pit & Quarry 1931-07-29: Vol 22 Iss 9\",\"date\":\"1931-07-29\"},{\"title\":\"Pit & Quarry 1936-11: Vol 29 Iss 5\",\"date\":\"1936-11-01\"},{\"title\":\"Pit & Quarry 1937-10: Vol 30 Iss 4\",\"date\":\"1937-10-01\"},{\"title\":\"Pit and Quarry 1941-05: Vol 33 Iss 11\",\"date\":\"1941-05-01\"},{\"title\":\"Pit and Quarry 1941-11: Vol 34 Iss 5\",\"date\":\"1941-11-01\"},{\"title\":\"Pit and Quarry 1942-04: Vol 34 Iss 10\",\"date\":\"1942-04-01\"},{\"title\":\"Pit and Quarry 1957-12: Vol 50 Iss 6\",\"date\":\"1957-12-01\"},{\"title\":\"Pit & Quarry 1949-10: Vol 42 Iss 4\",\"date\":\"1949-10-01\"},{\"title\":\"Pit & Quarry 1963: Vol 56 Index\",\"date\":\"1963-01-01\"},{\"title\":\"Pit & Quarry 1933-03: Vol 25 Iss 7\",\"date\":\"1933-03-01\"},{\"title\":\"Pit and Quarry 1936-09: Vol 29 Iss 3\",\"date\":\"1936-09-01\"},{\"title\":\"Pit and Quarry 1946-03: Vol 38 Iss 9\",\"date\":\"1946-03-01\"},{\"title\":\"Pit and Quarry 1945-11: Vol 38 Iss 5\",\"date\":\"1945-11-01\"},{\"title\":\"Pit and Quarry 1951-03: Vol 43 Iss 9\",\"date\":\"1951-03-01\"},{\"title\":\"Pit and Quarry 1951-12: Vol 44 Iss 6\",\"date\":\"1951-12-01\"},{\"title\":\"Pit and Quarry 1953-11: Vol 46 Iss 5\",\"date\":\"1953-11-01\"},{\"title\":\"Pit and Quarry 1954-01: Vol 46 Iss 7\",\"date\":\"1954-01-01\"},{\"title\":\"Pit & Quarry 1925-09-15: Vol 10 Iss 12\",\"date\":\"1925-09-15\"},{\"title\":\"Pit and Quarry 1937-12: Vol 30 Iss 6\",\"date\":\"1937-12-01\"},{\"title\":\"Pit & Quarry 1938-02: Vol 30 Iss 8\",\"date\":\"1938-02-01\"},{\"title\":\"Pit & Quarry 1939-06: Vol 31 Iss 12\",\"date\":\"1939-06-01\"},{\"title\":\"Pit & Quarry 1940-05: Vol 32 Iss 11\",\"date\":\"1940-05-01\"},{\"title\":\"Pit and Quarry 1940-07: Vol 33 Iss 1\",\"date\":\"1940-07-01\"},{\"title\":\"Pit and Quarry 1947-03: Vol 39 Iss 9\",\"date\":\"1947-03-01\"},{\"title\":\"Pit and Quarry 1947-04: Vol 39 Iss 10\",\"date\":\"1947-04-01\"},{\"title\":\"Pit & Quarry 1941-03: Vol 33 Iss 9\",\"date\":\"1941-03-01\"},{\"title\":\"Pit and Quarry 1942-01: Vol 34 Iss 7\",\"date\":\"1942-01-01\"},{\"title\":\"Pit & Quarry 1942-02: Vol 34 Iss 8\",\"date\":\"1942-02-01\"},{\"title\":\"Pit and Quarry 1953-10: Vol 46 Iss 4\",\"date\":\"1953-10-01\"},{\"title\":\"Pit & Quarry 1964: Vol 57 Index\",\"date\":\"1964-01-01\"},{\"title\":\"Pit & Quarry 1983: Vol 75 Index\",\"date\":\"1983-01-01\"},{\"title\":\"Pit and Quarry 1959-05: Vol 51 Iss 11\",\"date\":\"1959-05-01\"},{\"title\":\"Pit and Quarry 1959-08: Vol 52 Iss 2\",\"date\":\"1959-08-01\"},{\"title\":\"Pit and Quarry 1960-05: Vol 52 Iss 11\",\"date\":\"1960-05-01\"},{\"title\":\"Pit & Quarry 1961-03: Vol 53 Iss 9\",\"date\":\"1961-03-01\"},{\"title\":\"Pit & Quarry 1933-04: Vol 25 Iss 8\",\"date\":\"1933-04-01\"},{\"title\":\"Pit & Quarry 1927-11-09: Vol 15 Iss 3\",\"date\":\"1927-11-09\"},{\"title\":\"Pit & Quarry 1948-07: Vol 41 Iss 1\",\"date\":\"1948-07-01\"},{\"title\":\"Pit and Quarry 1949-01: Vol 41 Iss 7\",\"date\":\"1949-01-01\"},{\"title\":\"Pit & Quarry 1950-01: Vol 42 Iss 7\",\"date\":\"1950-01-01\"},{\"title\":\"Pit & Quarry 1925-04-01: Vol 10 Iss 1\",\"date\":\"1925-04-01\"},{\"title\":\"Pit & Quarry 1925-05-01: Vol 10 Iss 3\",\"date\":\"1925-05-01\"},{\"title\":\"Pit & Quarry 1931-01-14: Vol 21 Iss 8\",\"date\":\"1931-01-14\"},{\"title\":\"Pit & Quarry 1931-05-06: Vol 22 Iss 3\",\"date\":\"1931-05-06\"},{\"title\":\"Pit & Quarry 1931-05-20: Vol 22 Iss 4\",\"date\":\"1931-05-20\"},{\"title\":\"Pit & Quarry 1931-06-17: Vol 22 Iss 6\",\"date\":\"1931-06-17\"},{\"title\":\"Pit & Quarry 1929-09-25: Vol 18 Iss 13\",\"date\":\"1929-09-25\"},{\"title\":\"Pit & Quarry 1937-07: Vol 30 Iss 1\",\"date\":\"1937-07-01\"},{\"title\":\"Pit & Quarry 1926-11-24: Vol 13 Iss 4\",\"date\":\"1926-11-24\"},{\"title\":\"Pit & Quarry 1928-02-01: Vol 15 Iss 9\",\"date\":\"1928-02-01\"},{\"title\":\"Pit and Quarry 1939-02: Vol 31 Iss 8\",\"date\":\"1939-02-01\"},{\"title\":\"Pit and Quarry 1941-02: Vol 33 Iss 8\",\"date\":\"1941-02-01\"},{\"title\":\"Pit and Quarry 1946-12: Vol 39 Iss 6\",\"date\":\"1946-12-01\"},{\"title\":\"Pit & Quarry 1947-07: Vol 40 Iss 1\",\"date\":\"1947-07-01\"},{\"title\":\"Pit and Quarry 1952-12: Vol 45 Iss 6\",\"date\":\"1952-12-01\"},{\"title\":\"Pit and Quarry 1948-05: Vol 40 Iss 11\",\"date\":\"1948-05-01\"},{\"title\":\"Pit and Quarry 1949-11: Vol 42 Iss 5\",\"date\":\"1949-11-01\"},{\"title\":\"Pit & Quarry 1916-12: Vol 1 Iss 3\",\"date\":\"1916-12-01\"},{\"title\":\"Pit & Quarry 1920-06: Vol 4 Iss 9\",\"date\":\"1920-06-01\"},{\"title\":\"Pit & Quarry 1932-07-13: Vol 24 Iss 8\",\"date\":\"1932-07-13\"},{\"title\":\"Pit & Quarry 1943-10: Vol 36 Iss 4\",\"date\":\"1943-10-01\"},{\"title\":\"Pit and Quarry 1944-06: Vol 36 Iss 12\",\"date\":\"1944-06-01\"},{\"title\":\"Pit and Quarry 1945-07: Vol 38 Iss 1\",\"date\":\"1945-07-01\"},{\"title\":\"Pit & Quarry 1942-08: Vol 35 Iss 2\",\"date\":\"1942-08-01\"},{\"title\":\"Pit and Quarry 1954-09: Vol 47 Iss 3\",\"date\":\"1954-09-01\"},{\"title\":\"Pit & Quarry 1960-10: Vol 53 Iss 4\",\"date\":\"1960-10-01\"},{\"title\":\"Pit & Quarry 1923-03: Vol 7 Iss 6\",\"date\":\"1923-03-01\"},{\"title\":\"Pit & Quarry 1920-11: Vol 5 Iss 2\",\"date\":\"1920-11-01\"},{\"title\":\"Pit and Quarry 1956-05: Vol 48 Iss 11\",\"date\":\"1956-05-01\"},{\"title\":\"Pit and Quarry 1957-04: Vol 49 Iss 10\",\"date\":\"1957-04-01\"},{\"title\":\"Pit & Quarry 1916-11: Vol 1 Iss 2\",\"date\":\"1916-11-01\"},{\"title\":\"Pit & Quarry 1920-10: Vol 5 Iss 1\",\"date\":\"1920-10-01\"},{\"title\":\"Pit & Quarry 1921-08: Vol 5 Iss 11\",\"date\":\"1921-08-01\"},{\"title\":\"Pit and Quarry 1936-10: Vol 29 Iss 4\",\"date\":\"1936-10-01\"},{\"title\":\"Pit & Quarry 1936-10: Vol 29 Iss 4\",\"date\":\"1936-10-01\"},{\"title\":\"Pit and Quarry 1938-05: Vol 30 Iss 11\",\"date\":\"1938-05-01\"},{\"title\":\"Pit and Quarry 1939-10: Vol 32 Iss 4\",\"date\":\"1939-10-01\"},{\"title\":\"Pit and Quarry 1940-03: Vol 32 Iss 9\",\"date\":\"1940-03-01\"},{\"title\":\"Pit and Quarry 1946-11: Vol 39 Iss 5\",\"date\":\"1946-11-01\"},{\"title\":\"Pit & Quarry 1946-11: Vol 39 Iss 5\",\"date\":\"1946-11-01\"},{\"title\":\"Pit and Quarry 1943-08: Vol 36 Iss 2\",\"date\":\"1943-08-01\"},{\"title\":\"Pit and Quarry 1957-07: Vol 50 Iss 1\",\"date\":\"1957-07-01\"},{\"title\":\"Pit and Quarry 1957-09: Vol 50 Iss 3\",\"date\":\"1957-09-01\"},{\"title\":\"Pit & Quarry 1972 - 1973: Vol 65 Index\",\"date\":\"1972-01-01\"},{\"title\":\"Pit and Quarry July 1959-June 1960: Vol 52 Index\",\"date\":\"1959-07-01\"},{\"title\":\"Pit and Quarry 1959-09: Vol 52 Iss 3\",\"date\":\"1959-09-01\"},{\"title\":\"Pit and Quarry 1960-02: Vol 52 Iss 8\",\"date\":\"1960-02-01\"},{\"title\":\"Pit & Quarry 1931-02-25: Vol 21 Iss 11\",\"date\":\"1931-02-25\"},{\"title\":\"Pit & Quarry 1931-03-11: Vol 21 Iss 12\",\"date\":\"1931-03-11\"},{\"title\":\"Pit & Quarry 1933-11: Vol 26 Iss 5\",\"date\":\"1933-11-01\"},{\"title\":\"Pit & Quarry 1934-12: Vol 27 Iss 6\",\"date\":\"1934-12-01\"},{\"title\":\"Pit & Quarry 1935-01: Vol 27 Iss 7\",\"date\":\"1935-01-01\"},{\"title\":\"Pit & Quarry 1935-12: Vol 28 Iss 6\",\"date\":\"1935-12-01\"},{\"title\":\"Pit & Quarry 1926 - 1927: Vol 13 Index\",\"date\":\"1926-01-01\"},{\"title\":\"Pit & Quarry 1943-08: Vol 36 Iss 2\",\"date\":\"1943-08-01\"},{\"title\":\"Pit and Quarry 1944-03: Vol 36 Iss 9\",\"date\":\"1944-03-01\"},{\"title\":\"Pit and Quarry 1945-01: Vol 37 Iss 7\",\"date\":\"1945-01-01\"},{\"title\":\"Pit & Quarry 1950-05: Vol 42 Iss 11\",\"date\":\"1950-05-01\"},{\"title\":\"Pit and Quarry 1952-02: Vol 44 Iss 8\",\"date\":\"1952-02-01\"},{\"title\":\"Pit and Quarry 1952-10: Vol 45 Iss 4\",\"date\":\"1952-10-01\"},{\"title\":\"Pit and Quarry 1949-04: Vol 41 Iss 10\",\"date\":\"1949-04-01\"},{\"title\":\"Pit and Quarry 1949-10: Vol 42 Iss 4\",\"date\":\"1949-10-01\"},{\"title\":\"Pit & Quarry 1918-01: Vol 2 Iss 2\",\"date\":\"1918-01-01\"},{\"title\":\"Pit and Quarry 1946-06: Vol 38 Iss 12\",\"date\":\"1946-06-01\"},{\"title\":\"Pit and Quarry 1957-02: Vol 49 Iss 8\",\"date\":\"1957-02-01\"},{\"title\":\"Pit and Quarry 1950-04: Vol 42 Iss 10\",\"date\":\"1950-04-01\"},{\"title\":\"Pit & Quarry 1921-09: Vol 5 Iss 12\",\"date\":\"1921-09-01\"},{\"title\":\"Pit & Quarry 1924-04: Vol 8 Iss 7\",\"date\":\"1924-04-01\"},{\"title\":\"Pit and Quarry 1937-11: Vol 30 Iss 5\",\"date\":\"1937-11-01\"},{\"title\":\"Pit & Quarry 1945-02: Vol 37 Iss 8\",\"date\":\"1945-02-01\"},{\"title\":\"Pit & Quarry 1920-05: Vol 4 Iss 8\",\"date\":\"1920-05-01\"},{\"title\":\"Pit & Quarry 1921-04: Vol 5 Iss 7\",\"date\":\"1921-04-01\"},{\"title\":\"Pit & Quarry 1921-11: Vol 6 Iss 2\",\"date\":\"1921-11-01\"},{\"title\":\"Pit & Quarry 1932-05-18: Vol 24 Iss 4\",\"date\":\"1932-05-18\"},{\"title\":\"Pit and Quarry 1937-09: Vol 30 Iss 3\",\"date\":\"1937-09-01\"},{\"title\":\"Pit & Quarry 1948-06: Vol 40 Iss 12\",\"date\":\"1948-06-01\"},{\"title\":\"Pit and Quarry 1952-01: Vol 44 Iss 7\",\"date\":\"1952-01-01\"},{\"title\":\"Pit and Quarry 1953-03: Vol 45 Iss 9\",\"date\":\"1953-03-01\"},{\"title\":\"Pit and Quarry 1955-04: Vol 47 Iss 10\",\"date\":\"1955-04-01\"},{\"title\":\"Pit and Quarry 1955-09: Vol 48 Iss 3\",\"date\":\"1955-09-01\"},{\"title\":\"Pit and Quarry 1956-02: Vol 48 Iss 8\",\"date\":\"1956-02-01\"},{\"title\":\"Pit & Quarry 1961-06: Vol 53 Iss 12\",\"date\":\"1961-06-01\"},{\"title\":\"Pit & Quarry 1925-07-01: Vol 10 Iss 7\",\"date\":\"1925-07-01\"},{\"title\":\"Pit & Quarry 1927-04-27: Vol 14 Iss 2\",\"date\":\"1927-04-27\"},{\"title\":\"Pit & Quarry 1941-05: Vol 33 Iss 11\",\"date\":\"1941-05-01\"},{\"title\":\"Pit & Quarry 1944-09: Vol 37 Iss 3\",\"date\":\"1944-09-01\"},{\"title\":\"Pit & Quarry 1945-06: Vol 37 Iss 12\",\"date\":\"1945-06-01\"},{\"title\":\"Pit & Quarry 1945-07: Vol 38 Iss 1\",\"date\":\"1945-07-01\"},{\"title\":\"Pit & Quarry 1928-02-29: Vol 15 Iss 11\",\"date\":\"1928-02-29\"},{\"title\":\"Pit and Quarry 1954-03: Vol 46 Iss 9\",\"date\":\"1954-03-01\"},{\"title\":\"Pit and Quarry 1947-12: Vol 40 Iss 6\",\"date\":\"1947-12-01\"},{\"title\":\"Pit & Quarry 1921-12: Vol 6 Iss 3\",\"date\":\"1921-12-01\"},{\"title\":\"Pit & Quarry 1927-12-07: Vol 15 Iss 5\",\"date\":\"1927-12-07\"},{\"title\":\"Pit & Quarry 1929-10-09: Vol 19 Iss 1\",\"date\":\"1929-10-09\"},{\"title\":\"Pit & Quarry 1930-10-22: Vol 21 Iss 2\",\"date\":\"1930-10-22\"},{\"title\":\"Pit & Quarry 1931-07-01: Vol 22 Iss 7\",\"date\":\"1931-07-01\"},{\"title\":\"Pit & Quarry 1925-11-15: Vol 11 Iss 4\",\"date\":\"1925-11-15\"},{\"title\":\"Pit & Quarry 1932-10-05: Vol 25 Iss 1\",\"date\":\"1932-10-05\"},{\"title\":\"Pit & Quarry 1932-10-19: Vol 25 Iss 2\",\"date\":\"1932-10-19\"},{\"title\":\"Pit & Quarry 1938-05: Vol 30 Iss 11\",\"date\":\"1938-05-01\"},{\"title\":\"Pit and Quarry 1939-04: Vol 31 Iss 10\",\"date\":\"1939-04-01\"},{\"title\":\"Pit and Quarry 1940-01: Vol 32 Iss 7\",\"date\":\"1940-01-01\"},{\"title\":\"Pit and Quarry 1942-12: Vol 35 Iss 6\",\"date\":\"1942-12-01\"},{\"title\":\"Pit and Quarry 1943-07: Vol 36 Iss 1\",\"date\":\"1943-07-01\"},{\"title\":\"Pit & Quarry 1945-03: Vol 37 Iss 9\",\"date\":\"1945-03-01\"},{\"title\":\"Pit and Quarry 1948-02: Vol 40 Iss 8\",\"date\":\"1948-02-01\"},{\"title\":\"Pit & Quarry 1949-04: Vol 41 Iss 10\",\"date\":\"1949-04-01\"},{\"title\":\"Pit and Quarry 1952-04: Vol 44 Iss 10\",\"date\":\"1952-04-01\"},{\"title\":\"Pit and Quarry 1957-01: Vol 49 Iss 7\",\"date\":\"1957-01-01\"},{\"title\":\"Pit & Quarry 1960: Vol 53 Index\",\"date\":\"1960-01-01\"},{\"title\":\"Pit & Quarry 1961-09: Vol 54 Iss 3\",\"date\":\"1961-09-01\"},{\"title\":\"Pit and Quarry 1938-09: Vol 31 Iss 3\",\"date\":\"1938-09-01\"},{\"title\":\"Pit & Quarry 1917-11: Vol 2 Iss 1\",\"date\":\"1917-11-01\"},{\"title\":\"Pit & Quarry 1918-03: Vol 2 Iss 4\",\"date\":\"1918-03-01\"},{\"title\":\"Pit & Quarry 1919-06: Vol 3 Iss 9\",\"date\":\"1919-06-01\"},{\"title\":\"Pit & Quarry 1921-07: Vol 5 Iss 10\",\"date\":\"1921-07-01\"},{\"title\":\"Pit & Quarry 1922-02: Vol 6 Iss 5\",\"date\":\"1922-02-01\"},{\"title\":\"Pit & Quarry 1923-08: Vol 7 Iss 11\",\"date\":\"1923-08-01\"},{\"title\":\"Pit & Quarry 1924-07: Vol 8 Iss 10\",\"date\":\"1924-07-01\"},{\"title\":\"Pit & Quarry 1925-08-01: Vol 10 Iss 9\",\"date\":\"1925-08-01\"},{\"title\":\"Pit & Quarry 1930-12-31: Vol 21 Iss 7\",\"date\":\"1930-12-31\"},{\"title\":\"Pit & Quarry 1931-02-11: Vol 21 Iss 10\",\"date\":\"1931-02-11\"},{\"title\":\"Pit & Quarry 1931-12-16: Vol 23 Iss 6\",\"date\":\"1931-12-16\"},{\"title\":\"Pit & Quarry 1931 - 1932: Vol 23 Index\",\"date\":\"1931-01-01\"},{\"title\":\"Pit & Quarry 1928-11-21: Vol 17 Iss 4\",\"date\":\"1928-11-21\"},{\"title\":\"Pit & Quarry 1929-01-02: Vol 17 Iss 7\",\"date\":\"1929-01-02\"},{\"title\":\"Pit & Quarry 1929-01-30: Vol 17 Iss 9\",\"date\":\"1929-01-30\"},{\"title\":\"Pit & Quarry 1929-05-08: Vol 18 Iss 3\",\"date\":\"1929-05-08\"},{\"title\":\"Pit and Quarry 1938-11: Vol 31 Iss 5\",\"date\":\"1938-11-01\"},{\"title\":\"Pit & Quarry 1926-08-04: Vol 12 Iss 9\",\"date\":\"1926-08-04\"},{\"title\":\"Pit and Quarry 1947-01: Vol 39 Iss 7\",\"date\":\"1947-01-01\"},{\"title\":\"Pit & Quarry 1944-05: Vol 36 Iss 11\",\"date\":\"1944-05-01\"},{\"title\":\"Pit and Quarry 1945-08: Vol 38 Iss 2\",\"date\":\"1945-08-01\"},{\"title\":\"Pit and Quarry 1945-10: Vol 38 Iss 4\",\"date\":\"1945-10-01\"},{\"title\":\"Pit and Quarry 1945-12: Vol 38 Iss 6\",\"date\":\"1945-12-01\"},{\"title\":\"Pit and Quarry 1942-08: Vol 35 Iss 2\",\"date\":\"1942-08-01\"},{\"title\":\"Pit and Quarry 1952-05: Vol 44 Iss 11\",\"date\":\"1952-05-01\"},{\"title\":\"Pit and Quarry 1958-03: Vol 50 Iss 9\",\"date\":\"1958-03-01\"},{\"title\":\"Pit and Quarry 1948-04: Vol 40 Iss 10\",\"date\":\"1948-04-01\"},{\"title\":\"Pit & Quarry 1961-08: Vol 54 Iss 2\",\"date\":\"1961-08-01\"},{\"title\":\"Pit & Quarry 1919-12: Vol 4 Iss 3\",\"date\":\"1919-12-01\"},{\"title\":\"Pit & Quarry 1928-01-04: Vol 15 Iss 7\",\"date\":\"1928-01-04\"},{\"title\":\"Pit & Quarry 1931: Vol 22 Index\",\"date\":\"1931-01-01\"},{\"title\":\"Pit & Quarry 1926-06-01: Vol 12 Iss 5\",\"date\":\"1926-06-01\"},{\"title\":\"Pit & Quarry 1938-01: Vol 30 Iss 7\",\"date\":\"1938-01-01\"},{\"title\":\"Pit and Quarry 1939-01: Vol 31 Iss 7\",\"date\":\"1939-01-01\"},{\"title\":\"Pit and Quarry 1940-02: Vol 32 Iss 8\",\"date\":\"1940-02-01\"},{\"title\":\"Pit & Quarry 1943-12: Vol 36 Iss 6\",\"date\":\"1943-12-01\"},{\"title\":\"Pit and Quarry 1948-03: Vol 40 Iss 9\",\"date\":\"1948-03-01\"},{\"title\":\"Pit and Quarry July 1952-June 1953: Vol 45 Index\",\"date\":\"1952-07-01\"},{\"title\":\"Pit & Quarry 1970 - 1971: Vol 63 Index\",\"date\":\"1970-01-01\"},{\"title\":\"Pit and Quarry 1943-05: Vol 35 Iss 11\",\"date\":\"1943-05-01\"},{\"title\":\"Pit and Quarry 1943-11: Vol 36 Iss 5\",\"date\":\"1943-11-01\"},{\"title\":\"Pit & Quarry 1926-10-27: Vol 13 Iss 2\",\"date\":\"1926-10-27\"},{\"title\":\"Pit & Quarry 1928-01-18: Vol 15 Iss 8\",\"date\":\"1928-01-18\"},{\"title\":\"Pit & Quarry 1946-06: Vol 38 Iss 12\",\"date\":\"1946-06-01\"},{\"title\":\"Pit and Quarry 1947-07: Vol 40 Iss 1\",\"date\":\"1947-07-01\"},{\"title\":\"Pit and Quarry 1947-11: Vol 40 Iss 5\",\"date\":\"1947-11-01\"},{\"title\":\"Pit & Quarry 1948-01: Vol 40 Iss 7\",\"date\":\"1948-01-01\"},{\"title\":\"Pit & Quarry 1944-11: Vol 37 Iss 5\",\"date\":\"1944-11-01\"},{\"title\":\"Pit and Quarry 1951-01: Vol 43 Iss 7\",\"date\":\"1951-01-01\"},{\"title\":\"Pit and Quarry 1948-11: Vol 41 Iss 5\",\"date\":\"1948-11-01\"},{\"title\":\"Pit & Quarry 1950-03: Vol 42 Iss 9\",\"date\":\"1950-03-01\"},{\"title\":\"Pit & Quarry 1924-12-01: Vol 9 Iss 5\",\"date\":\"1924-12-01\"},{\"title\":\"Pit & Quarry 1928-05-23: Vol 16 Iss 4\",\"date\":\"1928-05-23\"},{\"title\":\"Pit & Quarry 1929-11-06: Vol 19 Iss 3\",\"date\":\"1929-11-06\"},{\"title\":\"Pit & Quarry 1932-09-07: Vol 24 Iss 12\",\"date\":\"1932-09-07\"},{\"title\":\"Pit & Quarry 1937-08: Vol 30 Iss 2\",\"date\":\"1937-08-01\"},{\"title\":\"Pit and Quarry 1940-09: Vol 33 Iss 3\",\"date\":\"1940-09-01\"},{\"title\":\"Pit & Quarry 1941-04: Vol 33 Iss 10\",\"date\":\"1941-04-01\"},{\"title\":\"Pit & Quarry 1941-11: Vol 34 Iss 5\",\"date\":\"1941-11-01\"},{\"title\":\"Pit and Quarry 1943-02: Vol 35 Iss 8\",\"date\":\"1943-02-01\"},{\"title\":\"Pit & Quarry 1918-09: Vol 2 Iss 10\",\"date\":\"1918-09-01\"},{\"title\":\"Pit & Quarry 1918-10: Vol 3 Iss 1\",\"date\":\"1918-10-01\"},{\"title\":\"Pit & Quarry 1926-04-01: Vol 12 Iss 1\",\"date\":\"1926-04-01\"},{\"title\":\"Pit & Quarry 1930-03-12: Vol 19 Iss 12\",\"date\":\"1930-03-12\"},{\"title\":\"Pit & Quarry 1930-03-26: Vol 19 Iss 13\",\"date\":\"1930-03-26\"},{\"title\":\"Pit & Quarry 1930-04-09: Vol 20 Iss 1\",\"date\":\"1930-04-09\"},{\"title\":\"Pit & Quarry 1937-02: Vol 29 Iss 8\",\"date\":\"1937-02-01\"},{\"title\":\"Pit and Quarry 1938-10: Vol 31 Iss 4\",\"date\":\"1938-10-01\"},{\"title\":\"Pit & Quarry 1926-10-13: Vol 13 Iss 1\",\"date\":\"1926-10-13\"},{\"title\":\"Pit and Quarry 1941-01: Vol 33 Iss 7\",\"date\":\"1941-01-01\"},{\"title\":\"Pit & Quarry 1944-12: Vol 37 Iss 6\",\"date\":\"1944-12-01\"},{\"title\":\"Pit and Quarry 1941-12: Vol 34 Iss 6\",\"date\":\"1941-12-01\"},{\"title\":\"Pit & Quarry 1941-12: Vol 34 Iss 6\",\"date\":\"1941-12-01\"},{\"title\":\"Pit and Quarry 1951-09: Vol 44 Iss 3\",\"date\":\"1951-09-01\"},{\"title\":\"Pit and Quarry 1958-10: Vol 51 Iss 4\",\"date\":\"1958-10-01\"},{\"title\":\"Pit and Quarry 1958-12: Vol 51 Iss 6\",\"date\":\"1958-12-01\"},{\"title\":\"Pit & Quarry 1948-04: Vol 40 Iss 10\",\"date\":\"1948-04-01\"},{\"title\":\"Pit & Quarry 1960-09: Vol 53 Iss 3\",\"date\":\"1960-09-01\"},{\"title\":\"Pit & Quarry 1960-09: Vol 53 Iss 3\",\"date\":\"1960-09-01\"},{\"title\":\"Pit & Quarry 1961-02: Vol 53 Iss 8\",\"date\":\"1961-02-01\"},{\"title\":\"Pit & Quarry 1924-01: Vol 8 Iss 4\",\"date\":\"1924-01-01\"},{\"title\":\"Pit & Quarry 1927-04-13: Vol 14 Iss 1\",\"date\":\"1927-04-13\"},{\"title\":\"Pit and Quarry 1952-08: Vol 45 Iss 2\",\"date\":\"1952-08-01\"},{\"title\":\"Pit and Quarry 1953-06: Vol 45 Iss 12\",\"date\":\"1953-06-01\"},{\"title\":\"Pit & Quarry 1929-07-17: Vol 18 Iss 8\",\"date\":\"1929-07-17\"},{\"title\":\"Pit & Quarry 1930-02-12: Vol 19 Iss 10\",\"date\":\"1930-02-12\"},{\"title\":\"Pit & Quarry 1930-09-24: Vol 20 Iss 13\",\"date\":\"1930-09-24\"},{\"title\":\"Pit & Quarry 1941-01: Vol 33 Iss 7\",\"date\":\"1941-01-01\"},{\"title\":\"Pit & Quarry 1942-03: Vol 34 Iss 9\",\"date\":\"1942-03-01\"},{\"title\":\"Pit and Quarry 1956-09: Vol 49 Iss 3\",\"date\":\"1956-09-01\"},{\"title\":\"Pit and Quarry 1957-05: Vol 49 Iss 11\",\"date\":\"1957-05-01\"},{\"title\":\"Pit & Quarry 1961-11: Vol 54 Iss 5\",\"date\":\"1961-11-01\"},{\"title\":\"Pit & Quarry 1961 - 1962: Vol 54 Index\",\"date\":\"1961-01-01\"},{\"title\":\"Pit & Quarry 1928-04-11: Vol 16 Iss 1\",\"date\":\"1928-04-11\"},{\"title\":\"Pit & Quarry 1930-01-29: Vol 19 Iss 9\",\"date\":\"1930-01-29\"},{\"title\":\"Pit & Quarry 1930-05-07: Vol 20 Iss 3\",\"date\":\"1930-05-07\"},{\"title\":\"Pit & Quarry 1930-12-03: Vol 21 Iss 5\",\"date\":\"1930-12-03\"},{\"title\":\"Pit and Quarry 1939-05: Vol 31 Iss 11\",\"date\":\"1939-05-01\"},{\"title\":\"Pit & Quarry 1939-07: Vol 32 Iss 1\",\"date\":\"1939-07-01\"},{\"title\":\"Pit & Quarry 1922-03: Vol 6 Iss 6\",\"date\":\"1922-03-01\"},{\"title\":\"Pit & Quarry 1925-05-15: Vol 10 Iss 4\",\"date\":\"1925-05-15\"},{\"title\":\"Pit & Quarry 1925-06-15: Vol 10 Iss 6\",\"date\":\"1925-06-15\"},{\"title\":\"Pit & Quarry 1925-07-15: Vol 10 Iss 8\",\"date\":\"1925-07-15\"},{\"title\":\"Pit & Quarry 1925-12-15: Vol 11 Iss 6\",\"date\":\"1925-12-15\"},{\"title\":\"Pit & Quarry 1926-05-01: Vol 12 Iss 3\",\"date\":\"1926-05-01\"},{\"title\":\"Pit & Quarry 1926-07-07: Vol 12 Iss 7\",\"date\":\"1926-07-07\"},{\"title\":\"Pit & Quarry 1926-07-21: Vol 12 Iss 8\",\"date\":\"1926-07-21\"},{\"title\":\"Pit and Quarry 1943-06: Vol 35 Iss 12\",\"date\":\"1943-06-01\"},{\"title\":\"Pit and Quarry 1945-03: Vol 37 Iss 9\",\"date\":\"1945-03-01\"},{\"title\":\"Pit & Quarry 1945-11: Vol 38 Iss 5\",\"date\":\"1945-11-01\"},{\"title\":\"Pit & Quarry 1945-12: Vol 38 Iss 6\",\"date\":\"1945-12-01\"},{\"title\":\"Pit & Quarry 1947-10: Vol 40 Iss 4\",\"date\":\"1947-10-01\"},{\"title\":\"Pit and Quarry 1955-06: Vol 47 Iss 12\",\"date\":\"1955-06-01\"},{\"title\":\"Pit and Quarry 1955-10: Vol 48 Iss 4\",\"date\":\"1955-10-01\"},{\"title\":\"Pit and Quarry 1960-03: Vol 52 Iss 9\",\"date\":\"1960-03-01\"},{\"title\":\"Pit & Quarry 1961-05: Vol 53 Iss 11\",\"date\":\"1961-05-01\"},{\"title\":\"Pit & Quarry 1928-08-01: Vol 16 Iss 9\",\"date\":\"1928-08-01\"},{\"title\":\"Pit & Quarry 1928-09-12: Vol 16 Iss 12\",\"date\":\"1928-09-12\"},{\"title\":\"Pit & Quarry 1928: Vol 16 Index\",\"date\":\"1928-01-01\"},{\"title\":\"Pit & Quarry 1929-04-10: Vol 18 Iss 1\",\"date\":\"1929-04-10\"},{\"title\":\"Pit and Quarry 1956-07: Vol 49 Iss 1\",\"date\":\"1956-07-01\"},{\"title\":\"Pit and Quarry 1958-01: Vol 50 Iss 7\",\"date\":\"1958-01-01\"},{\"title\":\"Pit & Quarry 1961-04: Vol 53 Iss 10\",\"date\":\"1961-04-01\"},{\"title\":\"Pit & Quarry 1923-07: Vol 7 Iss 10\",\"date\":\"1923-07-01\"},{\"title\":\"Pit & Quarry 1926-11-10: Vol 13 Iss 3\",\"date\":\"1926-11-10\"},{\"title\":\"Pit & Quarry 1936-09: Vol 29 Iss 3\",\"date\":\"1936-09-01\"},{\"title\":\"Pit and Quarry 1941-06: Vol 33 Iss 12\",\"date\":\"1941-06-01\"},{\"title\":\"Pit and Quarry 1941-08: Vol 34 Iss 2\",\"date\":\"1941-08-01\"},{\"title\":\"Pit and Quarry 1942-02: Vol 34 Iss 8\",\"date\":\"1942-02-01\"},{\"title\":\"Pit and Quarry 1944-01: Vol 36 Iss 7\",\"date\":\"1944-01-01\"},{\"title\":\"Pit and Quarry 1944-09: Vol 37 Iss 3\",\"date\":\"1944-09-01\"},{\"title\":\"Pit & Quarry 1928-06-06: Vol 16 Iss 5\",\"date\":\"1928-06-06\"},{\"title\":\"Pit & Quarry 1931-11-04: Vol 23 Iss 3\",\"date\":\"1931-11-04\"},{\"title\":\"Pit & Quarry 1931-12-02: Vol 23 Iss 5\",\"date\":\"1931-12-02\"},{\"title\":\"Pit & Quarry 1938-03: Vol 30 Iss 9\",\"date\":\"1938-03-01\"},{\"title\":\"Pit & Quarry 1939-03: Vol 31 Iss 9\",\"date\":\"1939-03-01\"},{\"title\":\"Pit and Quarry 1943-04: Vol 35 Iss 10\",\"date\":\"1943-04-01\"},{\"title\":\"Pit & Quarry 1943-04: Vol 35 Iss 10\",\"date\":\"1943-04-01\"},{\"title\":\"Pit and Quarry 1943-12: Vol 36 Iss 6\",\"date\":\"1943-12-01\"},{\"title\":\"Pit & Quarry 1961-04: Vol 53 Iss 10\",\"date\":\"1961-04-01\"},{\"title\":\"Pit & Quarry 1925-01-15: Vol 9 Iss 8\",\"date\":\"1925-01-15\"},{\"title\":\"Pit & Quarry 1926-05-15: Vol 12 Iss 4\",\"date\":\"1926-05-15\"},{\"title\":\"Pit & Quarry 1926-12-22: Vol 13 Iss 6\",\"date\":\"1926-12-22\"},{\"title\":\"Pit and Quarry 1948-01: Vol 40 Iss 7\",\"date\":\"1948-01-01\"},{\"title\":\"Pit & Quarry 1949-12: Vol 42 Iss 6\",\"date\":\"1949-12-01\"},{\"title\":\"Pit & Quarry 1923-05: Vol 7 Iss 8\",\"date\":\"1923-05-01\"},{\"title\":\"Pit & Quarry 1929-06-05: Vol 18 Iss 5\",\"date\":\"1929-06-05\"},{\"title\":\"Pit & Quarry 1919-09: Vol 3 Iss 12\",\"date\":\"1919-09-01\"},{\"title\":\"Pit & Quarry 1928-07-04: Vol 16 Iss 7\",\"date\":\"1928-07-04\"},{\"title\":\"Pit & Quarry 1961-02: Vol 53 Iss 8\",\"date\":\"1961-02-01\"},{\"title\":\"Pit & Quarry 1918-02: Vol 2 Iss 3\",\"date\":\"1918-02-01\"},{\"title\":\"Pit & Quarry 1921-03: Vol 5 Iss 6\",\"date\":\"1921-03-01\"},{\"title\":\"Pit & Quarry 1922-09: Vol 6 Iss 12\",\"date\":\"1922-09-01\"},{\"title\":\"Pit & Quarry 1923-11: Vol 8 Iss 2\",\"date\":\"1923-11-01\"},{\"title\":\"Pit & Quarry 1932-04-06: Vol 24 Iss 1\",\"date\":\"1932-04-06\"},{\"title\":\"Pit & Quarry 1934-01: Vol 26 Iss 7\",\"date\":\"1934-01-01\"},{\"title\":\"Pit & Quarry 1939-05: Vol 31 Iss 11\",\"date\":\"1939-05-01\"},{\"title\":\"Pit and Quarry 1947-05: Vol 39 Iss 11\",\"date\":\"1947-05-01\"},{\"title\":\"Pit and Quarry 1960-04: Vol 52 Iss 10\",\"date\":\"1960-04-01\"},{\"title\":\"Pit & Quarry 1962 - 1963: Vol 55 Index\",\"date\":\"1962-01-01\"},{\"title\":\"Pit & Quarry 1963 - 1964: Vol 56 Index\",\"date\":\"1963-01-01\"},{\"title\":\"Pit and Quarry 1970 - 1971: Vol 63 Index\",\"date\":\"1970-01-01\"},{\"title\":\"Pit & Quarry 1930-05-21: Vol 20 Iss 4\",\"date\":\"1930-05-21\"},{\"title\":\"Pit & Quarry 1930-08-13: Vol 20 Iss 10\",\"date\":\"1930-08-13\"},{\"title\":\"Pit & Quarry 1926-02-01: Vol 11 Iss 9\",\"date\":\"1926-02-01\"},{\"title\":\"Pit and Quarry 1953-07: Vol 46 Iss 1\",\"date\":\"1953-07-01\"},{\"title\":\"Pit and Quarry 1955-03: Vol 47 Iss 9\",\"date\":\"1955-03-01\"},{\"title\":\"Pit and Quarry 1955-12: Vol 48 Iss 6\",\"date\":\"1955-12-01\"},{\"title\":\"Pit & Quarry 1923-09: Vol 7 Iss 12\",\"date\":\"1923-09-01\"},{\"title\":\"Pit & Quarry 1939-10: Vol 32 Iss 4\",\"date\":\"1939-10-01\"},{\"title\":\"Pit and Quarry 1950-02: Vol 42 Iss 8\",\"date\":\"1950-02-01\"},{\"title\":\"Pit & Quarry 1920-07: Vol 4 Iss 10\",\"date\":\"1920-07-01\"},{\"title\":\"Pit & Quarry 1964 - 1965: Vol 57 Index\",\"date\":\"1964-01-01\"},{\"title\":\"Pit and Quarry 1942-05: Vol 34 Iss 11\",\"date\":\"1942-05-01\"},{\"title\":\"Pit & Quarry 1932-08-24: Vol 24 Iss 11\",\"date\":\"1932-08-24\"},{\"title\":\"Pit & Quarry 1936-03: Vol 28 Iss 9\",\"date\":\"1936-03-01\"},{\"title\":\"Pit and Quarry 1957-03: Vol 49 Iss 9\",\"date\":\"1957-03-01\"},{\"title\":\"Pit & Quarry 1926-01-01: Vol 11 Iss 7\",\"date\":\"1926-01-01\"},{\"title\":\"Pit & Quarry 1926-12-08: Vol 13 Iss 5\",\"date\":\"1926-12-08\"},{\"title\":\"Pit and Quarry 1947-10: Vol 40 Iss 4\",\"date\":\"1947-10-01\"},{\"title\":\"Pit and Quarry 1950-06: Vol 42 Iss 12\",\"date\":\"1950-06-01\"},{\"title\":\"Pit and Quarry July 1958-June 1959: Vol 51 Index\",\"date\":\"1958-07-01\"},{\"title\":\"Pit & Quarry 1932-09-21: Vol 24 Iss 13\",\"date\":\"1932-09-21\"},{\"title\":\"Pit & Quarry 1932-11: Vol 25 Iss 3\",\"date\":\"1932-11-01\"},{\"title\":\"Pit & Quarry 1933-05: Vol 25 Iss 9\",\"date\":\"1933-05-01\"},{\"title\":\"Pit and Quarry 1938-04: Vol 30 Iss 10\",\"date\":\"1938-04-01\"},{\"title\":\"Pit & Quarry 1938-10: Vol 31 Iss 4\",\"date\":\"1938-10-01\"},{\"title\":\"Pit and Quarry 1938-12: Vol 31 Iss 6\",\"date\":\"1938-12-01\"},{\"title\":\"Pit and Quarry 1939-12: Vol 32 Iss 6\",\"date\":\"1939-12-01\"},{\"title\":\"Pit and Quarry 1940-12: Vol 33 Iss 6\",\"date\":\"1940-12-01\"},{\"title\":\"Pit and Quarry 1944-04: Vol 36 Iss 10\",\"date\":\"1944-04-01\"},{\"title\":\"Pit and Quarry 1956-12: Vol 49 Iss 6\",\"date\":\"1956-12-01\"},{\"title\":\"Pit and Quarry 1959-02: Vol 51 Iss 8\",\"date\":\"1959-02-01\"},{\"title\":\"Pit & Quarry 1961-12: Vol 54 Iss 6\",\"date\":\"1961-12-01\"},{\"title\":\"Pit & Quarry 1973 - 1974: Vol 66 Index\",\"date\":\"1973-01-01\"},{\"title\":\"Pit and Quarry July 1955-June 1956: Vol 48 Index\",\"date\":\"1955-07-01\"},{\"title\":\"Pit & Quarry 1920-03: Vol 4 Iss 6\",\"date\":\"1920-03-01\"},{\"title\":\"Pit & Quarry 1929-06-19: Vol 18 Iss 6\",\"date\":\"1929-06-19\"},{\"title\":\"Pit & Quarry 1925-12-01: Vol 11 Iss 5\",\"date\":\"1925-12-01\"},{\"title\":\"Pit & Quarry 1926-03-01: Vol 11 Iss 11\",\"date\":\"1926-03-01\"},{\"title\":\"Pit & Quarry 1927-06-08: Vol 14 Iss 5\",\"date\":\"1927-06-08\"},{\"title\":\"Pit & Quarry 1927-08-03: Vol 14 Iss 9\",\"date\":\"1927-08-03\"},{\"title\":\"Pit and Quarry 1949-06: Vol 41 Iss 12\",\"date\":\"1949-06-01\"},{\"title\":\"Pit & Quarry 1950-02: Vol 42 Iss 8\",\"date\":\"1950-02-01\"},{\"title\":\"Pit & Quarry 1920-12: Vol 5 Iss 3\",\"date\":\"1920-12-01\"},{\"title\":\"Pit & Quarry 1924-10-15: Vol 9 Iss 2\",\"date\":\"1924-10-15\"},{\"title\":\"Pit & Quarry 1930-11-05: Vol 21 Iss 3\",\"date\":\"1930-11-05\"},{\"title\":\"Pit & Quarry 1927-02-16: Vol 13 Iss 10\",\"date\":\"1927-02-16\"},{\"title\":\"Pit & Quarry 1927-09-28: Vol 14 Iss 13\",\"date\":\"1927-09-28\"},{\"title\":\"Pit & Quarry 1946-08: Vol 39 Iss 2\",\"date\":\"1946-08-01\"},{\"title\":\"Pit & Quarry 1947-11: Vol 40 Iss 5\",\"date\":\"1947-11-01\"},{\"title\":\"Pit and Quarry 1942-07: Vol 35 Iss 1\",\"date\":\"1942-07-01\"},{\"title\":\"Pit and Quarry 1942-09: Vol 35 Iss 3\",\"date\":\"1942-09-01\"},{\"title\":\"Pit and Quarry 1943-01: Vol 35 Iss 7\",\"date\":\"1943-01-01\"},{\"title\":\"Pit & Quarry 1943-06: Vol 35 Iss 12\",\"date\":\"1943-06-01\"},{\"title\":\"Pit and Quarry 1958-02: Vol 50 Iss 8\",\"date\":\"1958-02-01\"},{\"title\":\"Pit & Quarry 1917-07: Vol 1 Iss 5\",\"date\":\"1917-07-01\"},{\"title\":\"Pit & Quarry 1935-04: Vol 27 Iss 10\",\"date\":\"1935-04-01\"},{\"title\":\"Pit & Quarry 1937-05: Vol 29 Iss 11\",\"date\":\"1937-05-01\"},{\"title\":\"Pit & Quarry 1937-09: Vol 30 Iss 3\",\"date\":\"1937-09-01\"},{\"title\":\"Pit and Quarry 1938-02: Vol 30 Iss 8\",\"date\":\"1938-02-01\"},{\"title\":\"Pit and Quarry 1938-03: Vol 30 Iss 9\",\"date\":\"1938-03-01\"},{\"title\":\"Pit & Quarry 1938-07: Vol 31 Iss 1\",\"date\":\"1938-07-01\"},{\"title\":\"Pit & Quarry 1939-08: Vol 32 Iss 2\",\"date\":\"1939-08-01\"},{\"title\":\"Pit & Quarry 1939-12: Vol 32 Iss 6\",\"date\":\"1939-12-01\"},{\"title\":\"Pit and Quarry 1940-10: Vol 33 Iss 4\",\"date\":\"1940-10-01\"},{\"title\":\"Pit & Quarry 1940-10: Vol 33 Iss 4\",\"date\":\"1940-10-01\"},{\"title\":\"Pit & Quarry 1944-01: Vol 36 Iss 7\",\"date\":\"1944-01-01\"},{\"title\":\"Pit & Quarry 1944-03: Vol 36 Iss 9\",\"date\":\"1944-03-01\"},{\"title\":\"Pit & Quarry 1944-07: Vol 37 Iss 1\",\"date\":\"1944-07-01\"},{\"title\":\"Pit and Quarry 1950-07: Vol 43 Iss 1\",\"date\":\"1950-07-01\"},{\"title\":\"Pit and Quarry 1950-09: Vol 43 Iss 3\",\"date\":\"1950-09-01\"},{\"title\":\"Pit and Quarry 1951-05: Vol 43 Iss 11\",\"date\":\"1951-05-01\"},{\"title\":\"Pit & Quarry 1948-12: Vol 41 Iss 6\",\"date\":\"1948-12-01\"},{\"title\":\"Pit & Quarry 1949-01: Vol 41 Iss 7\",\"date\":\"1949-01-01\"},{\"title\":\"Pit & Quarry 1949-02: Vol 41 Iss 8\",\"date\":\"1949-02-01\"},{\"title\":\"Pit & Quarry 1949-03: Vol 41 Iss 9\",\"date\":\"1949-03-01\"},{\"title\":\"Pit & Quarry 1949-08: Vol 42 Iss 2\",\"date\":\"1949-08-01\"},{\"title\":\"Pit and Quarry 1949-12: Vol 42 Iss 6\",\"date\":\"1949-12-01\"},{\"title\":\"Pit & Quarry 1965 - 1966: Vol 58 Index\",\"date\":\"1965-01-01\"},{\"title\":\"Pit and Quarry 1959-07: Vol 52 Iss 1\",\"date\":\"1959-07-01\"},{\"title\":\"Pit and Quarry 1959-11: Vol 52 Iss 5\",\"date\":\"1959-11-01\"},{\"title\":\"Pit & Quarry 1960-11: Vol 53 Iss 5\",\"date\":\"1960-11-01\"},{\"title\":\"Pit & Quarry 1961-01: Vol 53 Iss 7\",\"date\":\"1961-01-01\"},{\"title\":\"Pit & Quarry 1961: Vol 54 Index\",\"date\":\"1961-01-01\"},{\"title\":\"Pit & Quarry 1928-02-15: Vol 15 Iss 10\",\"date\":\"1928-02-15\"},{\"title\":\"Pit & Quarry 1928-05-09: Vol 16 Iss 3\",\"date\":\"1928-05-09\"},{\"title\":\"Pit & Quarry 1926-09-01: Vol 12 Iss 11\",\"date\":\"1926-09-01\"},{\"title\":\"Pit and Quarry 1939-06: Vol 31 Iss 12\",\"date\":\"1939-06-01\"},{\"title\":\"Pit & Quarry 1934-05: Vol 26 Iss 11\",\"date\":\"1934-05-01\"},{\"title\":\"Pit & Quarry 1920-02: Vol 4 Iss 5\",\"date\":\"1920-02-01\"},{\"title\":\"Pit & Quarry 1920-08: Vol 4 Iss 11\",\"date\":\"1920-08-01\"},{\"title\":\"Pit & Quarry 1928-04-25: Vol 16 Iss 2\",\"date\":\"1928-04-25\"},{\"title\":\"Pit & Quarry 1931-07-15: Vol 22 Iss 8\",\"date\":\"1931-07-15\"},{\"title\":\"Pit and Quarry 1953-08: Vol 46 Iss 2\",\"date\":\"1953-08-01\"},{\"title\":\"Pit and Quarry 1955-02: Vol 47 Iss 8\",\"date\":\"1955-02-01\"},{\"title\":\"Pit & Quarry 1924-05: Vol 8 Iss 8\",\"date\":\"1924-05-01\"},{\"title\":\"Pit & Quarry 1926-04-15: Vol 12 Iss 2\",\"date\":\"1926-04-15\"},{\"title\":\"Pit & Quarry 1933-06: Vol 25 Iss 10\",\"date\":\"1933-06-01\"},{\"title\":\"Pit & Quarry 1934-08: Vol 27 Iss 2\",\"date\":\"1934-08-01\"},{\"title\":\"Pit and Quarry 1938-06: Vol 30 Iss 12\",\"date\":\"1938-06-01\"},{\"title\":\"Pit and Quarry 1944-12: Vol 37 Iss 6\",\"date\":\"1944-12-01\"},{\"title\":\"Pit & Quarry 1935-06: Vol 27 Iss 12\",\"date\":\"1935-06-01\"},{\"title\":\"Pit & Quarry 1928-09-26: Vol 16 Iss 13\",\"date\":\"1928-09-26\"},{\"title\":\"Pit and Quarry July 1957-June 1958: Vol 50 Index\",\"date\":\"1957-07-01\"},{\"title\":\"Pit & Quarry November 1917-September 1918: Vol 2 Table of Contents\",\"date\":\"1917-11-01\"},{\"title\":\"Pit & Quarry 1919-08: Vol 3 Iss 11\",\"date\":\"1919-08-01\"},{\"title\":\"Pit & Quarry 1961-05: Vol 53 Iss 11\",\"date\":\"1961-05-01\"},{\"title\":\"Pit & Quarry 1928-10-24: Vol 17 Iss 2\",\"date\":\"1928-10-24\"},{\"title\":\"Pit and Quarry 1958-05: Vol 50 Iss 11\",\"date\":\"1958-05-01\"},{\"title\":\"Pit & Quarry 1966 - 1967: Vol 59 Index\",\"date\":\"1966-01-01\"},{\"title\":\"Pit & Quarry 1930 - 1931: Vol 21 Index\",\"date\":\"1930-01-01\"},{\"title\":\"Pit and Quarry 1946-08: Vol 39 Iss 2\",\"date\":\"1946-08-01\"},{\"title\":\"Pit and Quarry 1948-09: Vol 41 Iss 3\",\"date\":\"1948-09-01\"},{\"title\":\"Pit and Quarry 1949-05: Vol 41 Iss 11\",\"date\":\"1949-05-01\"},{\"title\":\"Pit and Quarry 1950-01: Vol 42 Iss 7\",\"date\":\"1950-01-01\"},{\"title\":\"Pit & Quarry 1950-04: Vol 42 Iss 10\",\"date\":\"1950-04-01\"},{\"title\":\"Pit & Quarry 1924-08: Vol 8 Iss 11\",\"date\":\"1924-08-01\"},{\"title\":\"Pit & Quarry 1924-09: Vol 8 Iss 12\",\"date\":\"1924-09-01\"},{\"title\":\"Pit & Quarry 1924-12-15: Vol 9 Iss 6\",\"date\":\"1924-12-15\"},{\"title\":\"Pit & Quarry 1929-02-27: Vol 17 Iss 11\",\"date\":\"1929-02-27\"},{\"title\":\"Pit and Quarry 1939-09: Vol 32 Iss 3\",\"date\":\"1939-09-01\"},{\"title\":\"Pit and Quarry 1939-11: Vol 32 Iss 5\",\"date\":\"1939-11-01\"},{\"title\":\"Pit and Quarry 1940-04: Vol 32 Iss 10\",\"date\":\"1940-04-01\"},{\"title\":\"Pit & Quarry 1944-10: Vol 37 Iss 4\",\"date\":\"1944-10-01\"},{\"title\":\"Pit and Quarry 1945-04: Vol 37 Iss 10\",\"date\":\"1945-04-01\"},{\"title\":\"Pit and Quarry 1941-09: Vol 34 Iss 3\",\"date\":\"1941-09-01\"},{\"title\":\"Pit and Quarry 1943-03: Vol 35 Iss 9\",\"date\":\"1943-03-01\"},{\"title\":\"Pit and Quarry 1952-06: Vol 44 Iss 12\",\"date\":\"1952-06-01\"},{\"title\":\"Pit and Quarry 1954-05: Vol 46 Iss 11\",\"date\":\"1954-05-01\"},{\"title\":\"Pit and Quarry 1943-09: Vol 36 Iss 3\",\"date\":\"1943-09-01\"},{\"title\":\"Pit & Quarry 1928-07-18: Vol 16 Iss 8\",\"date\":\"1928-07-18\"},{\"title\":\"Pit & Quarry 1919: Vol 1 Index\",\"date\":\"1919-01-01\"},{\"title\":\"Pit & Quarry 1934-06: Vol 26 Iss 12\",\"date\":\"1934-06-01\"},{\"title\":\"Pit & Quarry 1928-12-19: Vol 17 Iss 6\",\"date\":\"1928-12-19\"},{\"title\":\"Pit & Quarry 1930-01-15: Vol 19 Iss 8\",\"date\":\"1930-01-15\"},{\"title\":\"Pit & Quarry 1946-12: Vol 39 Iss 6\",\"date\":\"1946-12-01\"},{\"title\":\"Pit & Quarry 1947-02: Vol 39 Iss 8\",\"date\":\"1947-02-01\"},{\"title\":\"Pit and Quarry 1947-06: Vol 39 Iss 12\",\"date\":\"1947-06-01\"},{\"title\":\"Pit and Quarry 1947-09: Vol 40 Iss 3\",\"date\":\"1947-09-01\"},{\"title\":\"Pit and Quarry 1951-02: Vol 43 Iss 8\",\"date\":\"1951-02-01\"},{\"title\":\"Pit & Quarry 1948-03: Vol 40 Iss 9\",\"date\":\"1948-03-01\"},{\"title\":\"Pit & Quarry 1930: Vol 20 Index\",\"date\":\"1930-01-01\"},{\"title\":\"Pit & Quarry 1931-03-25: Vol 21 Iss 13\",\"date\":\"1931-03-25\"},{\"title\":\"Pit & Quarry 1931-10-21: Vol 23 Iss 2\",\"date\":\"1931-10-21\"},{\"title\":\"Pit and Quarry 1937-02: Vol 29 Iss 8\",\"date\":\"1937-02-01\"},{\"title\":\"Pit & Quarry 1940-07: Vol 33 Iss 1\",\"date\":\"1940-07-01\"},{\"title\":\"Pit & Quarry 1940-11: Vol 33 Iss 5\",\"date\":\"1940-11-01\"},{\"title\":\"Pit and Quarry 1943-10: Vol 36 Iss 4\",\"date\":\"1943-10-01\"},{\"title\":\"Pit & Quarry 1944-06: Vol 36 Iss 12\",\"date\":\"1944-06-01\"},{\"title\":\"Pit and Quarry 1944-08: Vol 37 Iss 2\",\"date\":\"1944-08-01\"},{\"title\":\"Pit and Quarry 1945-02: Vol 37 Iss 8\",\"date\":\"1945-02-01\"},{\"title\":\"Pit & Quarry 1941-09: Vol 34 Iss 3\",\"date\":\"1941-09-01\"},{\"title\":\"Pit and Quarry 1942-03: Vol 34 Iss 9\",\"date\":\"1942-03-01\"},{\"title\":\"Pit & Quarry 1942-06: Vol 34 Iss 12\",\"date\":\"1942-06-01\"},{\"title\":\"Pit & Quarry 1961-07: Vol 54 Iss 1\",\"date\":\"1961-07-01\"},{\"title\":\"Pit and Quarry 1942-11: Vol 35 Iss 5\",\"date\":\"1942-11-01\"},{\"title\":\"Pit and Quarry 1942-10: Vol 35 Iss 4\",\"date\":\"1942-10-01\"},{\"title\":\"Pit and Quarry 1952-07: Vol 45 Iss 1\",\"date\":\"1952-07-01\"},{\"title\":\"Pit & Quarry 1921-06: Vol 5 Iss 9\",\"date\":\"1921-06-01\"},{\"title\":\"Pit and Quarry 1955-07: Vol 48 Iss 1\",\"date\":\"1955-07-01\"},{\"title\":\"Pit and Quarry 1955-08: Vol 48 Iss 2\",\"date\":\"1955-08-01\"},{\"title\":\"Pit & Quarry 1926: Vol 12 Index\",\"date\":\"1926-01-01\"},{\"title\":\"Pit & Quarry 1927-01-05: Vol 13 Iss 7\",\"date\":\"1927-01-05\"},{\"title\":\"Pit & Quarry 1960-07: Vol 53 Iss 1\",\"date\":\"1960-07-01\"},{\"title\":\"Pit & Quarry 1927-10-12: Vol 15 Iss 1\",\"date\":\"1927-10-12\"},{\"title\":\"Pit & Quarry 1929-08-14: Vol 18 Iss 10\",\"date\":\"1929-08-14\"},{\"title\":\"Pit & Quarry 1929-08-28: Vol 18 Iss 11\",\"date\":\"1929-08-28\"},{\"title\":\"Pit & Quarry 1930-09-10: Vol 20 Iss 12\",\"date\":\"1930-09-10\"},{\"title\":\"Pit & Quarry 1932-06-15: Vol 24 Iss 6\",\"date\":\"1932-06-15\"},{\"title\":\"Pit and Quarry 1937-04: Vol 29 Iss 10\",\"date\":\"1937-04-01\"},{\"title\":\"Pit & Quarry 1943-01: Vol 35 Iss 7\",\"date\":\"1943-01-01\"},{\"title\":\"Pit & Quarry 1929 - 1930: Vol 19 Index\",\"date\":\"1929-01-01\"},{\"title\":\"Pit & Quarry 1930-07-30: Vol 20 Iss 9\",\"date\":\"1930-07-30\"},{\"title\":\"Pit & Quarry 1935-10: Vol 28 Iss 4\",\"date\":\"1935-10-01\"},{\"title\":\"Pit & Quarry 1939-11: Vol 32 Iss 5\",\"date\":\"1939-11-01\"},{\"title\":\"Pit & Quarry 1967: Vol 60 Index\",\"date\":\"1967-01-01\"},{\"title\":\"Pit & Quarry 1919-11: Vol 4 Iss 2\",\"date\":\"1919-11-01\"},{\"title\":\"Pit & Quarry 1924-02: Vol 8 Iss 5\",\"date\":\"1924-02-01\"},{\"title\":\"Pit & Quarry 1924-03: Vol 8 Iss 6\",\"date\":\"1924-03-01\"},{\"title\":\"Pit & Quarry 1924-11-15: Vol 9 Iss 4\",\"date\":\"1924-11-15\"},{\"title\":\"Pit & Quarry 1926-03-15: Vol 11 Iss 12\",\"date\":\"1926-03-15\"},{\"title\":\"Pit and Quarry 1944-02: Vol 36 Iss 8\",\"date\":\"1944-02-01\"},{\"title\":\"Pit and Quarry 1949-09: Vol 42 Iss 3\",\"date\":\"1949-09-01\"},{\"title\":\"Pit & Quarry 1922-07: Vol 6 Iss 10\",\"date\":\"1922-07-01\"},{\"title\":\"Pit and Quarry 1938-01: Vol 30 Iss 7\",\"date\":\"1938-01-01\"},{\"title\":\"Pit & Quarry 1938-06: Vol 30 Iss 12\",\"date\":\"1938-06-01\"},{\"title\":\"Pit & Quarry 1926-08-18: Vol 12 Iss 10\",\"date\":\"1926-08-18\"},{\"title\":\"Pit & Quarry 1940-03: Vol 32 Iss 9\",\"date\":\"1940-03-01\"},{\"title\":\"Pit and Quarry 1940-05: Vol 32 Iss 11\",\"date\":\"1940-05-01\"},{\"title\":\"Pit & Quarry 1940-06: Vol 32 Iss 12\",\"date\":\"1940-06-01\"},{\"title\":\"Pit and Quarry 1946-09: Vol 39 Iss 3\",\"date\":\"1946-09-01\"},{\"title\":\"Pit & Quarry 1947-01: Vol 39 Iss 7\",\"date\":\"1947-01-01\"},{\"title\":\"Pit and Quarry 1947-02: Vol 39 Iss 8\",\"date\":\"1947-02-01\"},{\"title\":\"Pit & Quarry 1945-05: Vol 37 Iss 11\",\"date\":\"1945-05-01\"},{\"title\":\"Pit and Quarry 1956: Vol 49 Index\",\"date\":\"1956-01-01\"},{\"title\":\"Pit & Quarry 1916-10: Vol 1 Iss 1\",\"date\":\"1916-10-01\"},{\"title\":\"Pit & Quarry 1918-07: Vol 2 Iss 8\",\"date\":\"1918-07-01\"},{\"title\":\"Pit & Quarry 1919-05: Vol 3 Iss 8\",\"date\":\"1919-05-01\"},{\"title\":\"Pit & Quarry 1919-07: Vol 3 Iss 10\",\"date\":\"1919-07-01\"},{\"title\":\"Pit & Quarry 1921-05: Vol 5 Iss 8\",\"date\":\"1921-05-01\"},{\"title\":\"Pit & Quarry 1928-10-10: Vol 17 Iss 1\",\"date\":\"1928-10-10\"},{\"title\":\"Pit & Quarry 1931-04-08: Vol 22 Iss 1\",\"date\":\"1931-04-08\"},{\"title\":\"Pit & Quarry 1931-06-03: Vol 22 Iss 5\",\"date\":\"1931-06-03\"},{\"title\":\"Pit & Quarry 1932-06-01: Vol 24 Iss 5\",\"date\":\"1932-06-01\"},{\"title\":\"Pit and Quarry 1941-04: Vol 33 Iss 10\",\"date\":\"1941-04-01\"},{\"title\":\"Pit & Quarry 1941-08: Vol 34 Iss 2\",\"date\":\"1941-08-01\"},{\"title\":\"Pit & Quarry 1943-03: Vol 35 Iss 9\",\"date\":\"1943-03-01\"},{\"title\":\"Pit and Quarry 1950-11: Vol 43 Iss 5\",\"date\":\"1950-11-01\"},{\"title\":\"Pit and Quarry 1954-08: Vol 47 Iss 2\",\"date\":\"1954-08-01\"},{\"title\":\"Pit & Quarry 1948-09: Vol 41 Iss 3\",\"date\":\"1948-09-01\"},{\"title\":\"Pit & Quarry 1949-05: Vol 41 Iss 11\",\"date\":\"1949-05-01\"},{\"title\":\"Pit & Quarry 1949-09: Vol 42 Iss 3\",\"date\":\"1949-09-01\"},{\"title\":\"Pit & Quarry 1960-08: Vol 53 Iss 2\",\"date\":\"1960-08-01\"},{\"title\":\"Pit & Quarry 1928-03-14: Vol 15 Iss 12\",\"date\":\"1928-03-14\"},{\"title\":\"Pit & Quarry 1928-12-05: Vol 17 Iss 5\",\"date\":\"1928-12-05\"},{\"title\":\"Pit & Quarry 1931-01-28: Vol 21 Iss 9\",\"date\":\"1931-01-28\"},{\"title\":\"Pit and Quarry 1941-03: Vol 33 Iss 9\",\"date\":\"1941-03-01\"},{\"title\":\"Pit and Quarry 1944-10: Vol 37 Iss 4\",\"date\":\"1944-10-01\"},{\"title\":\"Pit and Quarry 1944-11: Vol 37 Iss 5\",\"date\":\"1944-11-01\"},{\"title\":\"Pit and Quarry 1946-05: Vol 38 Iss 11\",\"date\":\"1946-05-01\"},{\"title\":\"Pit & Quarry 1947-08: Vol 40 Iss 2\",\"date\":\"1947-08-01\"},{\"title\":\"Pit & Quarry 1949-11: Vol 42 Iss 5\",\"date\":\"1949-11-01\"},{\"title\":\"Pit and Quarry 1950-12: Vol 43 Iss 6\",\"date\":\"1950-12-01\"},{\"title\":\"Pit and Quarry 1951-08: Vol 44 Iss 2\",\"date\":\"1951-08-01\"},{\"title\":\"Pit and Quarry 1953-12: Vol 46 Iss 6\",\"date\":\"1953-12-01\"},{\"title\":\"Pit and Quarry 1955-05: Vol 47 Iss 11\",\"date\":\"1955-05-01\"},{\"title\":\"Pit and Quarry 1957-11: Vol 50 Iss 5\",\"date\":\"1957-11-01\"},{\"title\":\"Pit & Quarry 1961-11: Vol 54 Iss 5\",\"date\":\"1961-11-01\"},{\"title\":\"Pit & Quarry 1920-01: Vol 4 Iss 4\",\"date\":\"1920-01-01\"},{\"title\":\"Pit & Quarry 1922-04: Vol 6 Iss 7\",\"date\":\"1922-04-01\"},{\"title\":\"Pit & Quarry 1923-10: Vol 8 Iss 1\",\"date\":\"1923-10-01\"},{\"title\":\"Pit & Quarry 1925-02-01: Vol 9 Iss 9\",\"date\":\"1925-02-01\"},{\"title\":\"Pit & Quarry 1925-10-01: Vol 11 Iss 1\",\"date\":\"1925-10-01\"},{\"title\":\"Pit & Quarry 1927-02-02: Vol 13 Iss 9\",\"date\":\"1927-02-02\"},{\"title\":\"Pit & Quarry 1934-10: Vol 27 Iss 4\",\"date\":\"1934-10-01\"},{\"title\":\"Pit & Quarry 1935-05: Vol 27 Iss 11\",\"date\":\"1935-05-01\"},{\"title\":\"Pit and Quarry 1936-07: Vol 29 Iss 1\",\"date\":\"1936-07-01\"},{\"title\":\"Pit & Quarry 1937-04: Vol 29 Iss 10\",\"date\":\"1937-04-01\"},{\"title\":\"Pit & Quarry 1939-01: Vol 31 Iss 7\",\"date\":\"1939-01-01\"},{\"title\":\"Pit & Quarry 1939-09: Vol 32 Iss 3\",\"date\":\"1939-09-01\"},{\"title\":\"Pit & Quarry 1942-04: Vol 34 Iss 10\",\"date\":\"1942-04-01\"},{\"title\":\"Pit & Quarry 1918-04: Vol 2 Iss 5\",\"date\":\"1918-04-01\"},{\"title\":\"Pit & Quarry 1925-09-01: Vol 10 Iss 11\",\"date\":\"1925-09-01\"},{\"title\":\"Pit & Quarry 1946-07: Vol 39 Iss 1\",\"date\":\"1946-07-01\"},{\"title\":\"Pit & Quarry 1969: Vol 62 Index\",\"date\":\"1969-01-01\"},{\"title\":\"Pit & Quarry 1933-07: Vol 26 Iss 1\",\"date\":\"1933-07-01\"},{\"title\":\"Pit & Quarry 1928-08-15: Vol 16 Iss 10\",\"date\":\"1928-08-15\"},{\"title\":\"Pit & Quarry 1929-10-23: Vol 19 Iss 2\",\"date\":\"1929-10-23\"},{\"title\":\"Pit & Quarry 1924-06: Vol 8 Iss 9\",\"date\":\"1924-06-01\"},{\"title\":\"Pit & Quarry 1925-10-15: Vol 11 Iss 2\",\"date\":\"1925-10-15\"},{\"title\":\"Pit & Quarry 1927-01-19: Vol 13 Iss 8\",\"date\":\"1927-01-19\"},{\"title\":\"Pit & Quarry 1927-03-02: Vol 13 Iss 11\",\"date\":\"1927-03-02\"},{\"title\":\"Pit & Quarry 1927-05-11: Vol 14 Iss 3\",\"date\":\"1927-05-11\"},{\"title\":\"Pit & Quarry 1927-09-14: Vol 14 Iss 12\",\"date\":\"1927-09-14\"},{\"title\":\"Pit & Quarry 1935-07: Vol 28 Iss 1\",\"date\":\"1935-07-01\"},{\"title\":\"Pit & Quarry 1948-02: Vol 40 Iss 8\",\"date\":\"1948-02-01\"},{\"title\":\"Pit and Quarry 1948-10: Vol 41 Iss 4\",\"date\":\"1948-10-01\"},{\"title\":\"Pit and Quarry 1954-10: Vol 47 Iss 4\",\"date\":\"1954-10-01\"},{\"title\":\"Pit and Quarry 1955-01: Vol 47 Iss 7\",\"date\":\"1955-01-01\"},{\"title\":\"Pit & Quarry 1943-02: Vol 35 Iss 8\",\"date\":\"1943-02-01\"},{\"title\":\"Pit and Quarry 1956-10: Vol 49 Iss 4\",\"date\":\"1956-10-01\"},{\"title\":\"Pit and Quarry 1957-10: Vol 50 Iss 4\",\"date\":\"1957-10-01\"},{\"title\":\"Pit & Quarry 1961-03: Vol 53 Iss 9\",\"date\":\"1961-03-01\"},{\"title\":\"Pit & Quarry 1923-02: Vol 7 Iss 5\",\"date\":\"1923-02-01\"},{\"title\":\"Pit & Quarry 1929-07-31: Vol 18 Iss 9\",\"date\":\"1929-07-31\"},{\"title\":\"Pit & Quarry 1931-04-22: Vol 22 Iss 2\",\"date\":\"1931-04-22\"},{\"title\":\"Pit and Quarry 1951-11: Vol 44 Iss 5\",\"date\":\"1951-11-01\"},{\"title\":\"Pit and Quarry 1952-03: Vol 44 Iss 9\",\"date\":\"1952-03-01\"},{\"title\":\"Pit and Quarry 1956-01: Vol 48 Iss 7\",\"date\":\"1956-01-01\"},{\"title\":\"Pit & Quarry 1918-05: Vol 2 Iss 6\",\"date\":\"1918-05-01\"},{\"title\":\"Pit & Quarry 1920-04: Vol 4 Iss 7\",\"date\":\"1920-04-01\"},{\"title\":\"Pit & Quarry 1922-11: Vol 7 Iss 2\",\"date\":\"1922-11-01\"},{\"title\":\"Pit & Quarry 1928-08-29: Vol 16 Iss 11\",\"date\":\"1928-08-29\"},{\"title\":\"Pit & Quarry 1929-03-27: Vol 17 Iss 13\",\"date\":\"1929-03-27\"},{\"title\":\"Pit & Quarry 1923-12: Vol 8 Iss 3\",\"date\":\"1923-12-01\"},{\"title\":\"Pit & Quarry 1927-06-22: Vol 14 Iss 6\",\"date\":\"1927-06-22\"},{\"title\":\"Pit & Quarry 1934-07: Vol 27 Iss 1\",\"date\":\"1934-07-01\"},{\"title\":\"Pit & Quarry 1936-06: Vol 28 Iss 12\",\"date\":\"1936-06-01\"},{\"title\":\"Pit and Quarry 1936-11: Vol 29 Iss 5\",\"date\":\"1936-11-01\"},{\"title\":\"Pit & Quarry 1939-02: Vol 31 Iss 8\",\"date\":\"1939-02-01\"},{\"title\":\"Pit & Quarry 1942-05: Vol 34 Iss 11\",\"date\":\"1942-05-01\"},{\"title\":\"Pit & Quarry 1943-07: Vol 36 Iss 1\",\"date\":\"1943-07-01\"},{\"title\":\"Pit & Quarry 1945-08: Vol 38 Iss 2\",\"date\":\"1945-08-01\"},{\"title\":\"Pit & Quarry 1946-03: Vol 38 Iss 9\",\"date\":\"1946-03-01\"},{\"title\":\"Pit & Quarry 1947-09: Vol 40 Iss 3\",\"date\":\"1947-09-01\"},{\"title\":\"Pit and Quarry 1956-08: Vol 49 Iss 2\",\"date\":\"1956-08-01\"},{\"title\":\"Pit and Quarry 1959-04: Vol 51 Iss 10\",\"date\":\"1959-04-01\"},{\"title\":\"Pit & Quarry 1961-06: Vol 53 Iss 12\",\"date\":\"1961-06-01\"},{\"title\":\"Pit and Quarry 1968 - 1969: Vol 61 Index\",\"date\":\"1968-01-01\"},{\"title\":\"Pit and Quarry 1969 - 1970: Vol 62 Index\",\"date\":\"1969-01-01\"},{\"title\":\"Pit & Quarry 1929-05-22: Vol 18 Iss 4\",\"date\":\"1929-05-22\"},{\"title\":\"Pit & Quarry 1929-11-20: Vol 19 Iss 4\",\"date\":\"1929-11-20\"},{\"title\":\"Pit & Quarry 1934-02: Vol 26 Iss 8\",\"date\":\"1934-02-01\"},{\"title\":\"Pit & Quarry 1940-01: Vol 32 Iss 7\",\"date\":\"1940-01-01\"},{\"title\":\"Pit & Quarry 1948-08: Vol 41 Iss 2\",\"date\":\"1948-08-01\"},{\"title\":\"Pit & Quarry 1948-11: Vol 41 Iss 5\",\"date\":\"1948-11-01\"},{\"title\":\"Pit and Quarry 1948-12: Vol 41 Iss 6\",\"date\":\"1948-12-01\"},{\"title\":\"Pit and Quarry 1947-08: Vol 40 Iss 2\",\"date\":\"1947-08-01\"},{\"title\":\"Pit & Quarry 1942-10: Vol 35 Iss 4\",\"date\":\"1942-10-01\"},{\"title\":\"Pit & Quarry 1950-06: Vol 42 Iss 12\",\"date\":\"1950-06-01\"},{\"title\":\"Pit and Quarry 1951-07: Vol 44 Iss 1\",\"date\":\"1951-07-01\"},{\"title\":\"Pit and Quarry 1954-06: Vol 46 Iss 12\",\"date\":\"1954-06-01\"},{\"title\":\"Pit & Quarry 1967: Vol 60 Index\",\"date\":\"1967-01-01\"},{\"title\":\"Pit & Quarry 1971 - 1972: Vol 64 Index\",\"date\":\"1971-01-01\"},{\"title\":\"Pit & Quarry 1981: Vol 73 Index\",\"date\":\"1981-01-01\"},{\"title\":\"Pit and Quarry July 1954-June 1955: Vol 47 Index\",\"date\":\"1954-07-01\"},{\"title\":\"Pit & Quarry 1932-05-04: Vol 24 Iss 3\",\"date\":\"1932-05-04\"},{\"title\":\"Pit and Quarry 1937-08: Vol 30 Iss 2\",\"date\":\"1937-08-01\"},{\"title\":\"Pit and Quarry 1959-01: Vol 51 Iss 7\",\"date\":\"1959-01-01\"},{\"title\":\"Pit and Quarry 1960-06: Vol 52 Iss 12\",\"date\":\"1960-06-01\"},{\"title\":\"Pit & Quarry 1960-10: Vol 53 Iss 4\",\"date\":\"1960-10-01\"},{\"title\":\"Pit & Quarry 1961-10: Vol 54 Iss 4\",\"date\":\"1961-10-01\"},{\"title\":\"Pit & Quarry 1932-03-09: Vol 23 Iss 12\",\"date\":\"1932-03-09\"},{\"title\":\"Pit & Quarry 1932-02-10: Vol 23 Iss 10\",\"date\":\"1932-02-10\"},{\"title\":\"Pit & Quarry 1932-03-23: Vol 23 Iss 13\",\"date\":\"1932-03-23\"},{\"title\":\"Pit & Quarry 1923-06: Vol 7 Iss 9\",\"date\":\"1923-06-01\"},{\"title\":\"Pit & Quarry 1925-03-15: Vol 9 Iss 12\",\"date\":\"1925-03-15\"},{\"title\":\"Pit & Quarry 1929-02-13: Vol 17 Iss 10\",\"date\":\"1929-02-13\"},{\"title\":\"Pit & Quarry 1933-12: Vol 26 Iss 6\",\"date\":\"1933-12-01\"},{\"title\":\"Pit & Quarry 1935-08: Vol 28 Iss 2\",\"date\":\"1935-08-01\"},{\"title\":\"Pit & Quarry 1936-07: Vol 29 Iss 1\",\"date\":\"1936-07-01\"},{\"title\":\"Pit and Quarry 1937-07: Vol 30 Iss 1\",\"date\":\"1937-07-01\"},{\"title\":\"Pit & Quarry 1926-06-15: Vol 12 Iss 6\",\"date\":\"1926-06-15\"},{\"title\":\"Pit & Quarry 1927-05-25: Vol 14 Iss 4\",\"date\":\"1927-05-25\"},{\"title\":\"Pit & Quarry 1946-02: Vol 38 Iss 8\",\"date\":\"1946-02-01\"},{\"title\":\"Pit & Quarry 1946-04: Vol 38 Iss 10\",\"date\":\"1946-04-01\"},{\"title\":\"Pit & Quarry 1947-05: Vol 39 Iss 11\",\"date\":\"1947-05-01\"},{\"title\":\"Pit and Quarry 1958-09: Vol 51 Iss 3\",\"date\":\"1958-09-01\"},{\"title\":\"Pit & Quarry 1932-04-20: Vol 24 Iss 2\",\"date\":\"1932-04-20\"},{\"title\":\"Pit & Quarry 1939-04: Vol 31 Iss 10\",\"date\":\"1939-04-01\"},{\"title\":\"Pit and Quarry 1940-08: Vol 33 Iss 2\",\"date\":\"1940-08-01\"},{\"title\":\"Pit & Quarry 1941-02: Vol 33 Iss 8\",\"date\":\"1941-02-01\"},{\"title\":\"Pit & Quarry 1944-04: Vol 36 Iss 10\",\"date\":\"1944-04-01\"},{\"title\":\"Pit and Quarry 1945-06: Vol 37 Iss 12\",\"date\":\"1945-06-01\"},{\"title\":\"Pit & Quarry 1945-10: Vol 38 Iss 4\",\"date\":\"1945-10-01\"},{\"title\":\"Pit and Quarry 1951-06: Vol 43 Iss 12\",\"date\":\"1951-06-01\"},{\"title\":\"Pit & Quarry 1948-10: Vol 41 Iss 4\",\"date\":\"1948-10-01\"},{\"title\":\"Pit and Quarry 1972 - 1973: Vol 65 Index\",\"date\":\"1972-01-01\"},{\"title\":\"Pit & Quarry 1982: Vol 74 Index\",\"date\":\"1982-01-01\"},{\"title\":\"Pit and Quarry 1959-03: Vol 51 Iss 9\",\"date\":\"1959-03-01\"},{\"title\":\"Pit and Quarry 1959-10: Vol 52 Iss 4\",\"date\":\"1959-10-01\"},{\"title\":\"Pit & Quarry 1925-06-01: Vol 10 Iss 5\",\"date\":\"1925-06-01\"},{\"title\":\"Pit & Quarry 1933-01: Vol 25 Iss 5\",\"date\":\"1933-01-01\"},{\"title\":\"Pit & Quarry 1936-05: Vol 28 Iss 11\",\"date\":\"1936-05-01\"},{\"title\":\"Pit & Quarry 1927-12-21: Vol 15 Iss 6\",\"date\":\"1927-12-21\"},{\"title\":\"Pit & Quarry 1940-04: Vol 32 Iss 10\",\"date\":\"1940-04-01\"},{\"title\":\"Pit & Quarry 1943-09: Vol 36 Iss 3\",\"date\":\"1943-09-01\"},{\"title\":\"Pit and Quarry 1949-02: Vol 41 Iss 8\",\"date\":\"1949-02-01\"},{\"title\":\"Pit & Quarry 1962: Vol 55 Index\",\"date\":\"1962-01-01\"},{\"title\":\"Pit & Quarry 1918-12: Vol 3 Iss 3\",\"date\":\"1918-12-01\"},{\"title\":\"Pit & Quarry 1921-01: Vol 5 Iss 4\",\"date\":\"1921-01-01\"},{\"title\":\"Pit & Quarry 1931-08-12: Vol 22 Iss 10\",\"date\":\"1931-08-12\"},{\"title\":\"Pit & Quarry 1931-11-18: Vol 23 Iss 4\",\"date\":\"1931-11-18\"},{\"title\":\"Pit and Quarry 1946-01: Vol 38 Iss 7\",\"date\":\"1946-01-01\"},{\"title\":\"Pit & Quarry 1946-05: Vol 38 Iss 11\",\"date\":\"1946-05-01\"},{\"title\":\"Pit & Quarry 1946-10: Vol 39 Iss 4\",\"date\":\"1946-10-01\"},{\"title\":\"Pit & Quarry 1947-06: Vol 39 Iss 12\",\"date\":\"1947-06-01\"},{\"title\":\"Pit & Quarry 1941-10: Vol 34 Iss 4\",\"date\":\"1941-10-01\"},{\"title\":\"Pit & Quarry 1942-09: Vol 35 Iss 3\",\"date\":\"1942-09-01\"},{\"title\":\"Pit & Quarry 1961-01: Vol 53 Iss 7\",\"date\":\"1961-01-01\"},{\"title\":\"Pit & Quarry 1961-10: Vol 54 Iss 4\",\"date\":\"1961-10-01\"},{\"title\":\"Pit & Quarry 1932-06-29: Vol 24 Iss 7\",\"date\":\"1932-06-29\"},{\"title\":\"Pit & Quarry 1934-03: Vol 26 Iss 9\",\"date\":\"1934-03-01\"},{\"title\":\"Pit & Quarry 1935-02: Vol 27 Iss 8\",\"date\":\"1935-02-01\"},{\"title\":\"Pit & Quarry 1938-04: Vol 30 Iss 10\",\"date\":\"1938-04-01\"},{\"title\":\"Pit & Quarry 1946-01: Vol 38 Iss 7\",\"date\":\"1946-01-01\"},{\"title\":\"Pit & Quarry 1946-09: Vol 39 Iss 3\",\"date\":\"1946-09-01\"},{\"title\":\"Pit & Quarry 1945-04: Vol 37 Iss 10\",\"date\":\"1945-04-01\"},{\"title\":\"Pit and Quarry 1951-10: Vol 44 Iss 4\",\"date\":\"1951-10-01\"},{\"title\":\"Pit and Quarry 1953-01: Vol 45 Iss 7\",\"date\":\"1953-01-01\"},{\"title\":\"Pit and Quarry 1953-02: Vol 45 Iss 8\",\"date\":\"1953-02-01\"},{\"title\":\"Pit and Quarry 1953-05: Vol 45 Iss 11\",\"date\":\"1953-05-01\"},{\"title\":\"Pit & Quarry 1925-08-15: Vol 10 Iss 10\",\"date\":\"1925-08-15\"},{\"title\":\"Pit & Quarry 1930-11-19: Vol 21 Iss 4\",\"date\":\"1930-11-19\"},{\"title\":\"Pit & Quarry 1929-12-04: Vol 19 Iss 5\",\"date\":\"1929-12-04\"},{\"title\":\"Pit & Quarry 1930-04-23: Vol 20 Iss 2\",\"date\":\"1930-04-23\"},{\"title\":\"Pit & Quarry 1927-08-17: Vol 14 Iss 10\",\"date\":\"1927-08-17\"},{\"title\":\"Pit & Quarry 1927-10-26: Vol 15 Iss 2\",\"date\":\"1927-10-26\"},{\"title\":\"Pit and Quarry 1958-08: Vol 51 Iss 2\",\"date\":\"1958-08-01\"},{\"title\":\"Pit & Quarry 1960-12: Vol 53 Iss 6\",\"date\":\"1960-12-01\"},{\"title\":\"Pit & Quarry 1961-07: Vol 54 Iss 1\",\"date\":\"1961-07-01\"},{\"title\":\"Pit & Quarry 1930-07-16: Vol 20 Iss 8\",\"date\":\"1930-07-16\"},{\"title\":\"Pit & Quarry 1930-10-08: Vol 21 Iss 1\",\"date\":\"1930-10-08\"},{\"title\":\"Pit & Quarry 1931-10-07: Vol 23 Iss 1\",\"date\":\"1931-10-07\"},{\"title\":\"Pit & Quarry 1944-02: Vol 36 Iss 8\",\"date\":\"1944-02-01\"},{\"title\":\"Pit and Quarry 1958-04: Vol 50 Iss 10\",\"date\":\"1958-04-01\"},{\"title\":\"Pit & Quarry 1961-08: Vol 54 Iss 2\",\"date\":\"1961-08-01\"},{\"title\":\"Pit & Quarry 1966: Vol 59 Index\",\"date\":\"1966-01-01\"},{\"title\":\"Pit and Quarry 1971 - 1972: Vol 64 Index\",\"date\":\"1971-01-01\"},{\"title\":\"Pit & Quarry 1926-01-15: Vol 11 Iss 8\",\"date\":\"1926-01-15\"},{\"title\":\"Pit & Quarry 1932-12: Vol 25 Iss 4\",\"date\":\"1932-12-01\"},{\"title\":\"Pit & Quarry 1937-01: Vol 29 Iss 7\",\"date\":\"1937-01-01\"},{\"title\":\"Pit and Quarry 1950-03: Vol 42 Iss 9\",\"date\":\"1950-03-01\"},{\"title\":\"Pit and Quarry 1951-04: Vol 43 Iss 10\",\"date\":\"1951-04-01\"},{\"title\":\"Pit & Quarry 1926-09-15: Vol 12 Iss 12\",\"date\":\"1926-09-15\"},{\"title\":\"Pit and Quarry 1946-04: Vol 38 Iss 10\",\"date\":\"1946-04-01\"},{\"title\":\"Pit and Quarry 1942-06: Vol 34 Iss 12\",\"date\":\"1942-06-01\"},{\"title\":\"Pit & Quarry 1942-11: Vol 35 Iss 5\",\"date\":\"1942-11-01\"},{\"title\":\"Pit & Quarry 1943-05: Vol 35 Iss 11\",\"date\":\"1943-05-01\"},{\"title\":\"Pit and Quarry 1957: Vol 49 Index\",\"date\":\"1957-01-01\"},{\"title\":\"Pit & Quarry 1949-07: Vol 42 Iss 1\",\"date\":\"1949-07-01\"},{\"title\":\"Pit & Quarry 1960-12: Vol 53 Iss 6\",\"date\":\"1960-12-01\"},{\"title\":\"Pit & Quarry 1917-05: Vol 1 Iss 4\",\"date\":\"1917-05-01\"},{\"title\":\"Pit & Quarry 1919-10: Vol 4 Iss 1\",\"date\":\"1919-10-01\"},{\"title\":\"Pit & Quarry 1921-10: Vol 6 Iss 1\",\"date\":\"1921-10-01\"},{\"title\":\"Pit & Quarry 1922-05: Vol 6 Iss 8\",\"date\":\"1922-05-01\"},{\"title\":\"Pit & Quarry 1923-04: Vol 7 Iss 7\",\"date\":\"1923-04-01\"},{\"title\":\"Pit & Quarry 1924-10-01: Vol 9 Iss 1\",\"date\":\"1924-10-01\"},{\"title\":\"Pit & Quarry 1924-11-01: Vol 9 Iss 3\",\"date\":\"1924-11-01\"},{\"title\":\"Pit & Quarry 1930-08-27: Vol 20 Iss 11\",\"date\":\"1930-08-27\"},{\"title\":\"Pit & Quarry 1930-12-17: Vol 21 Iss 6\",\"date\":\"1930-12-17\"},{\"title\":\"Pit & Quarry 1928 - 1929: Vol 17 Index\",\"date\":\"1928-01-01\"},{\"title\":\"Pit & Quarry 1929-03-13: Vol 17 Iss 12\",\"date\":\"1929-03-13\"},{\"title\":\"Pit & Quarry 1932-08-10: Vol 24 Iss 10\",\"date\":\"1932-08-10\"},{\"title\":\"Pit & Quarry 1935-11: Vol 28 Iss 5\",\"date\":\"1935-11-01\"},{\"title\":\"Pit & Quarry 1936-01: Vol 28 Iss 7\",\"date\":\"1936-01-01\"},{\"title\":\"Pit and Quarry 1936-08: Vol 29 Iss 2\",\"date\":\"1936-08-01\"},{\"title\":\"Pit and Quarry 1936-12: Vol 29 Iss 6\",\"date\":\"1936-12-01\"},{\"title\":\"Pit and Quarry 1937-01: Vol 29 Iss 7\",\"date\":\"1937-01-01\"},{\"title\":\"Pit and Quarry 1937-10: Vol 30 Iss 4\",\"date\":\"1937-10-01\"},{\"title\":\"Pit & Quarry 1938-11: Vol 31 Iss 5\",\"date\":\"1938-11-01\"},{\"title\":\"Pit and Quarry 1939-07: Vol 32 Iss 1\",\"date\":\"1939-07-01\"},{\"title\":\"Pit and Quarry 1945-05: Vol 37 Iss 11\",\"date\":\"1945-05-01\"},{\"title\":\"Pit & Quarry 1917-08: Vol 1 Iss 6\",\"date\":\"1917-08-01\"},{\"title\":\"Pit & Quarry 1921-02: Vol 5 Iss 5\",\"date\":\"1921-02-01\"},{\"title\":\"Pit and Quarry 1937-03: Vol 29 Iss 9\",\"date\":\"1937-03-01\"},{\"title\":\"Pit & Quarry 1938-08: Vol 31 Iss 2\",\"date\":\"1938-08-01\"},{\"title\":\"Pit and Quarry 1946-10: Vol 39 Iss 4\",\"date\":\"1946-10-01\"},{\"title\":\"Pit and Quarry 1944-05: Vol 36 Iss 11\",\"date\":\"1944-05-01\"},{\"title\":\"Pit and Quarry 1949-07: Vol 42 Iss 1\",\"date\":\"1949-07-01\"},{\"title\":\"Pit and Quarry 1949-08: Vol 42 Iss 2\",\"date\":\"1949-08-01\"},{\"title\":\"Pit and Quarry 1950-05: Vol 42 Iss 11\",\"date\":\"1950-05-01\"},{\"title\":\"Pit & Quarry 1922-08: Vol 6 Iss 11\",\"date\":\"1922-08-01\"},{\"title\":\"Pit & Quarry 1925-01-01: Vol 9 Iss 7\",\"date\":\"1925-01-01\"},{\"title\":\"Pit & Quarry 1925-03-01: Vol 9 Iss 11\",\"date\":\"1925-03-01\"},{\"title\":\"Pit & Quarry 1926-02-15: Vol 11 Iss 10\",\"date\":\"1926-02-15\"},{\"title\":\"Pit & Quarry 1929-07-03: Vol 18 Iss 7\",\"date\":\"1929-07-03\"},{\"title\":\"Pit & Quarry 1929-12-18: Vol 19 Iss 6\",\"date\":\"1929-12-18\"},{\"title\":\"Pit & Quarry 1929 - 1930: Vol 18 Index\",\"date\":\"1929-01-01\"},{\"title\":\"Pit & Quarry 1935-03: Vol 27 Iss 9\",\"date\":\"1935-03-01\"},{\"title\":\"Pit & Quarry 1936-04: Vol 28 Iss 10\",\"date\":\"1936-04-01\"},{\"title\":\"Pit & Quarry 1936-08: Vol 29 Iss 2\",\"date\":\"1936-08-01\"},{\"title\":\"Pit & Quarry 1926-09-29: Vol 12 Iss 13\",\"date\":\"1926-09-29\"},{\"title\":\"Pit & Quarry 1927-07-20: Vol 14 Iss 8\",\"date\":\"1927-07-20\"},{\"title\":\"Pit & Quarry 1927 - 1928: Vol 15 Index\",\"date\":\"1927-01-01\"},{\"title\":\"Pit & Quarry 1928-03-28: Vol 15 Iss 13\",\"date\":\"1928-03-28\"},{\"title\":\"Pit and Quarry 1941-10: Vol 34 Iss 4\",\"date\":\"1941-10-01\"},{\"title\":\"Pit and Quarry 1954-12: Vol 47 Iss 6\",\"date\":\"1954-12-01\"},{\"title\":\"Pit and Quarry 1958-07: Vol 51 Iss 1\",\"date\":\"1958-07-01\"},{\"title\":\"Pit and Quarry 1959-06: Vol 51 Iss 12\",\"date\":\"1959-06-01\"},{\"title\":\"Pit and Quarry 1959-12: Vol 52 Iss 6\",\"date\":\"1959-12-01\"},{\"title\":\"Pit & Quarry 1960-08: Vol 53 Iss 2\",\"date\":\"1960-08-01\"},{\"title\":\"Pit & Quarry 1936-12: Vol 29 Iss 6\",\"date\":\"1936-12-01\"},{\"title\":\"Pit & Quarry 1937-03: Vol 29 Iss 9\",\"date\":\"1937-03-01\"},{\"title\":\"Pit and Quarry 1937-06: Vol 29 Iss 12\",\"date\":\"1937-06-01\"},{\"title\":\"Pit and Quarry 1938-08: Vol 31 Iss 2\",\"date\":\"1938-08-01\"},{\"title\":\"Pit and Quarry 1946-07: Vol 39 Iss 1\",\"date\":\"1946-07-01\"},{\"title\":\"Pit & Quarry 1947-04: Vol 39 Iss 10\",\"date\":\"1947-04-01\"},{\"title\":\"Pit & Quarry 1947-12: Vol 40 Iss 6\",\"date\":\"1947-12-01\"},{\"title\":\"Pit and Quarry 1941-07: Vol 34 Iss 1\",\"date\":\"1941-07-01\"},{\"title\":\"Pit & Quarry 1942-07: Vol 35 Iss 1\",\"date\":\"1942-07-01\"},{\"title\":\"Pit and Quarry 1950-10: Vol 43 Iss 4\",\"date\":\"1950-10-01\"},{\"title\":\"Pit and Quarry 1953-04: Vol 45 Iss 10\",\"date\":\"1953-04-01\"},{\"title\":\"Pit and Quarry 1954-02: Vol 46 Iss 8\",\"date\":\"1954-02-01\"},{\"title\":\"Pit & Quarry 1960 - 1961: Vol 53 Index\",\"date\":\"1960-01-01\"},{\"title\":\"Pit & Quarry 1918-08: Vol 2 Iss 9\",\"date\":\"1918-08-01\"},{\"title\":\"Pit & Quarry 1918-11: Vol 3 Iss 2\",\"date\":\"1918-11-01\"},{\"title\":\"Pit & Quarry 1931-09-09: Vol 22 Iss 12\",\"date\":\"1931-09-09\"},{\"title\":\"Pit & Quarry 1933-02: Vol 25 Iss 6\",\"date\":\"1933-02-01\"},{\"title\":\"Pit & Quarry 1936-02: Vol 28 Iss 8\",\"date\":\"1936-02-01\"},{\"title\":\"Pit and Quarry 1945-09: Vol 38 Iss 3\",\"date\":\"1945-09-01\"},{\"title\":\"Pit and Quarry 1954-11: Vol 47 Iss 5\",\"date\":\"1954-11-01\"},{\"title\":\"Pit and Quarry 1956-06: Vol 48 Iss 12\",\"date\":\"1956-06-01\"},{\"title\":\"Pit and Quarry 1956-11: Vol 49 Iss 5\",\"date\":\"1956-11-01\"},{\"title\":\"Pit and Quarry 1957-08: Vol 50 Iss 2\",\"date\":\"1957-08-01\"},{\"title\":\"Pit and Quarry 1958-11: Vol 51 Iss 5\",\"date\":\"1958-11-01\"},{\"title\":\"Pit & Quarry 1918-06: Vol 2 Iss 7\",\"date\":\"1918-06-01\"},{\"title\":\"Pit & Quarry 1940-08: Vol 33 Iss 2\",\"date\":\"1940-08-01\"},{\"title\":\"Pit & Quarry 1941-07: Vol 34 Iss 1\",\"date\":\"1941-07-01\"},{\"title\":\"Pit & Quarry 1944-08: Vol 37 Iss 2\",\"date\":\"1944-08-01\"},{\"title\":\"Pit & Quarry 1930-01-01: Vol 19 Iss 7\",\"date\":\"1930-01-01\"},{\"title\":\"Pit & Quarry 1930-02-26: Vol 19 Iss 11\",\"date\":\"1930-02-26\"},{\"title\":\"Pit & Quarry 1931-08-26: Vol 22 Iss 11\",\"date\":\"1931-08-26\"},{\"title\":\"Pit & Quarry 1937-11: Vol 30 Iss 5\",\"date\":\"1937-11-01\"},{\"title\":\"Pit and Quarry 1939-08: Vol 32 Iss 2\",\"date\":\"1939-08-01\"},{\"title\":\"Pit & Quarry 1948-05: Vol 40 Iss 11\",\"date\":\"1948-05-01\"},{\"title\":\"Pit and Quarry 1948-06: Vol 40 Iss 12\",\"date\":\"1948-06-01\"},{\"title\":\"Pit and Quarry 1949-03: Vol 41 Iss 9\",\"date\":\"1949-03-01\"},{\"title\":\"Pit and Quarry 1952-11: Vol 45 Iss 5\",\"date\":\"1952-11-01\"},{\"title\":\"Pit and Quarry 1955-11: Vol 48 Iss 5\",\"date\":\"1955-11-01\"},{\"title\":\"Pit & Quarry 1960-11: Vol 53 Iss 5\",\"date\":\"1960-11-01\"},{\"title\":\"Pit & Quarry 1968: Vol 61 Index\",\"date\":\"1968-01-01\"},{\"title\":\"Pit and Quarry July 1953-June 1954: Vol 46 Index\",\"date\":\"1953-07-01\"},{\"title\":\"Pit & Quarry 1933-08: Vol 26 Iss 2\",\"date\":\"1933-08-01\"},{\"title\":\"Pit & Quarry 1925-04-15: Vol 10 Iss 2\",\"date\":\"1925-04-15\"},{\"title\":\"Pit & Quarry 1927-08-31: Vol 14 Iss 11\",\"date\":\"1927-08-31\"},{\"title\":\"Pit & Quarry 1942-12: Vol 35 Iss 6\",\"date\":\"1942-12-01\"},{\"title\":\"Pit and Quarry 1957-06: Vol 49 Iss 12\",\"date\":\"1957-06-01\"},{\"title\":\"Pit & Quarry 1960-07: Vol 53 Iss 1\",\"date\":\"1960-07-01\"},{\"title\":\"Pit & Quarry 1961-12: Vol 54 Iss 6\",\"date\":\"1961-12-01\"},{\"title\":\"Pit & Quarry 1934-04: Vol 26 Iss 10\",\"date\":\"1934-04-01\"},{\"title\":\"Pit & Quarry 1937-06: Vol 29 Iss 12\",\"date\":\"1937-06-01\"},{\"title\":\"Pit and Quarry 1939-03: Vol 31 Iss 9\",\"date\":\"1939-03-01\"},{\"title\":\"Pit and Quarry 1950-08: Vol 43 Iss 2\",\"date\":\"1950-08-01\"},{\"title\":\"Pit and Quarry 1954-07: Vol 47 Iss 1\",\"date\":\"1954-07-01\"},{\"title\":\"Pit & Quarry 1919-02: Vol 3 Iss 5\",\"date\":\"1919-02-01\"},{\"title\":\"Pit & Quarry 1920-09: Vol 4 Iss 12\",\"date\":\"1920-09-01\"},{\"title\":\"Pit & Quarry 1922-06: Vol 6 Iss 9\",\"date\":\"1922-06-01\"},{\"title\":\"Pit & Quarry 1927: Vol 14 Index\",\"date\":\"1927-01-01\"},{\"title\":\"Pit & Quarry 1929-09-11: Vol 18 Iss 12\",\"date\":\"1929-09-11\"},{\"title\":\"Pit & Quarry 1930-06-18: Vol 20 Iss 6\",\"date\":\"1930-06-18\"},{\"title\":\"Pit & Quarry 1930-07-02: Vol 20 Iss 7\",\"date\":\"1930-07-02\"},{\"title\":\"Pit & Quarry 1940-12: Vol 33 Iss 6\",\"date\":\"1940-12-01\"},{\"title\":\"Pit & Quarry 1941-06: Vol 33 Iss 12\",\"date\":\"1941-06-01\"},{\"title\":\"Pit & Quarry 1947-03: Vol 39 Iss 9\",\"date\":\"1947-03-01\"},{\"title\":\"Pit & Quarry 1925-11-01: Vol 11 Iss 3\",\"date\":\"1925-11-01\"},{\"title\":\"Pit & Quarry 1937-12: Vol 30 Iss 6\",\"date\":\"1937-12-01\"},{\"title\":\"Pit and Quarry 1956-03: Vol 48 Iss 9\",\"date\":\"1956-03-01\"},{\"title\":\"Pit & Quarry 1961-09: Vol 54 Iss 3\",\"date\":\"1961-09-01\"},{\"title\":\"Pit & Quarry 1980: Vol 72 Index\",\"date\":\"1980-01-01\"}]}","hrefs":["Publications","Pit and Quarry 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Dec\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/17.pdf\",\"date\":\"\"},{\"title\":\"No\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/18.pdf\",\"date\":\"\"},{\"title\":\"No.19, Dec\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/19.pdf\",\"date\":\"\"},{\"title\":\"No.20, Jun\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/20.pdf\",\"date\":\"\"},{\"title\":\"Red Dragon Mine\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/Red-Dragon-Mine-WMS-NL-extracts.pdf\",\"date\":\"\"},{\"title\":\"Nantybrain\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/2011_sept_field_notes-abergwessin-fszc.pdf\",\"date\":\"\"},{\"title\":\"Nantymwyn\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/2011_sept_field_notes-nantymwyn-6wrp.pdf\",\"date\":\"\"},{\"title\":\"Geology notes\",\"url\":\"https://www.welshmines.org/previousnewsletters/s/2004_june_geol_notes-6zc7.pdf\",\"date\":\"\"},{\"title\":\"Field 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June\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2020/12/Newsletter-1972-06.pdf\",\"date\":\"\"},{\"title\":\"Newsletter 1972 – December\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2020/12/Newsletter-1972-12.pdf\",\"date\":\"\"},{\"title\":\"Newsletter 1973 – April\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2020/12/Newsletter-1973-04.pdf\",\"date\":\"\"},{\"title\":\"Newsletter 1973 – July\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2020/12/Newsletter-1973-07.pdf\",\"date\":\"\"},{\"title\":\"Newsletter 1974 – 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Foxglove\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2022/07/Eweleap-West-Foxglove.pdf\",\"date\":\"\"},{\"title\":\"Fadmoor\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2022/07/Fadmoor.pdf\",\"date\":\"\"},{\"title\":\"Far Beck Bridge\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2022/07/Far-Beck-Bridge.pdf\",\"date\":\"\"},{\"title\":\"Fell’s End\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2022/07/Fells-End.pdf\",\"date\":\"\"},{\"title\":\"Flushiemere\",\"url\":\"https://nymcc.org.uk/publications/moldywarps-speleological-group/https%3A//nymcc.org.uk/wp-content/uploads/2022/07/Flushiemere.pdf\",\"date\":\"\"},{\"title\":\"Fossdale 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\"https://pdmhs.co.uk/MiningHistory/Bulletin%201-5%20-%20The%20Old%20CoaL%20Mines%20and%20Works%20of%20Ringinglow,%20Sheffield.pdf\" }, { \"title\": \"Bulletin 1-5 - Winster Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-5%20-%20Winster%20Sough.pdf\" }, { \"title\": \"Bulletin 1-6 - Dale Mine, North Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Dale%20Mine,%20North%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 1-6 - Discussion - Middleton Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Discussion%20-%20Middleton%20Dale.pdf\" }, { \"title\": \"Bulletin 1-6 - Discussion - Monyash Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Discussion%20-%20Monyash%20Mines.pdf\" }, { \"title\": \"Bulletin 1-6 - Gypsum in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Gypsum%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 1-6 - Lead Boom\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Lead%20Boom.pdf\" }, { \"title\": \"Bulletin 1-6 - Lindal Moor Iron Mines, Cumberland\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Lindal%20Moor%20Iron%20Mines,%20Cumberland.pdf\" }, { \"title\": \"Bulletin 1-6 - Newspaper Cutting - Peakland Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Newspaper%20Cutting%20-%20Peakland%20Mining.pdf\" }, { \"title\": \"Bulletin 1-6 - Odin Mine, Castleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Odin%20Mine,%20Castleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 1-6 - Tearsall and Dalefield Soughs, Wensley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20Tearsall%20and%20Dalefield%20Soughs,%20Wensley.pdf\" }, { \"title\": \"Bulletin 1-6 - The Mines North-West of Monyash, Derbyshire - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20The%20Mines%20North-West%20of%20Monyash,%20Derbyshire%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 1-6 - The Seedlow Mine Mine, 1764-1771\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-6%20-%20The%20Seedlow%20Mine%20Mine,%201764-1771.pdf\" }, { \"title\": \"Bulletin 1-7 - Discussion - Gypsum in\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Discussion%20-%20Gypsum%20in.pdf\" }, { \"title\": \"Bulletin 1-7 - Index - Volume 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Index%20-%20Volume%201.pdf\" }, { \"title\": \"Bulletin 1-7 - Letter - Gunpowder Blasting\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Letter%20-%20Gunpowder%20Blasting.pdf\" }, { \"title\": \"Bulletin 1-7 - Letter - Odin Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Letter%20-%20Odin%20Mine.pdf\" }, { \"title\": \"Bulletin 1-7 - List of Mines - Farey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20List%20of%20Mines%20-%20Farey.pdf\" }, { \"title\": \"Bulletin 1-7 - Long Cliff Mine, Castleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Long%20Cliff%20Mine,%20Castleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 1-7 - The Surface Remains on Dirtlow Rake\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20The%20Surface%20Remains%20on%20Dirtlow%20Rake.pdf\" }, { \"title\": \"Bulletin 1-7 - White Watson - Pioneer Derbyshire Geologist\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20White%20Watson%20-%20Pioneer%20Derbyshire%20Geologist.pdf\" }, { \"title\": \"Bulletin 1-7 - Yatestoop Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%201-7%20-%20Yatestoop%20Sough.pdf\" }, { \"title\": \"Bulletin 2-1 - Discussion - Long Rake\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20Discussion%20-%20Long%20Rake.pdf\" }, { \"title\": \"Bulletin 2-1 - Great Hucklow Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20Great%20Hucklow%20Mines.pdf\" }, { \"title\": \"Bulletin 2-1 - Gypsum Working in South Derbyshire - Supplementary Notes\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20Gypsum%20Working%20in%20South%20Derbyshire%20-%20Supplementary%20Notes.pdf\" }, { \"title\": \"Bulletin 2-1 - Lathkilldale - Its Mines and Miners\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20Lathkilldale%20-%20Its%20Mines%20and%20Miners.pdf\" }, { \"title\": \"Bulletin 2-1 - The Mines North-West of Monyash - Part 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20The%20Mines%20North-West%20of%20Monyash%20-%20Part%203.pdf\" }, { \"title\": \"Bulletin 2-1 - The Transport of Lead - A Contribution to the Geography of Lead Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-1%20-%20The%20Transport%20of%20Lead%20-%20A%20Contribution%20to%20the%20Geography%20of%20Lead%20Mining.pdf\" }, { \"title\": \"Bulletin 2-2 - Discussion\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20Discussion.pdf\" }, { \"title\": \"Bulletin 2-2 - Old Mill Close Mine, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20Old%20Mill%20Close%20Mine,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 2-2 - Polymorphous Calcium Carbonate\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20Polymorphous%20Calcium%20Carbonate.pdf\" }, { \"title\": \"Bulletin 2-2 - Recent Exploration of Hillcarr Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20Recent%20Exploration%20of%20Hillcarr%20Sough.pdf\" }, { \"title\": \"Bulletin 2-2 - Survey of the South Shropshire Mining Area - 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20Survey%20of%20the%20South%20Shropshire%20Mining%20Area%20-%201.pdf\" }, { \"title\": \"Bulletin 2-2 - The North Side of Ashford Lordship\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20The%20North%20Side%20of%20Ashford%20Lordship.pdf\" }, { \"title\": \"Bulletin 2-2 - The Peak District in the Great Exhibition\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20The%20Peak%20District%20in%20the%20Great%20Exhibition.pdf\" }, { \"title\": \"Bulletin 2-2 - The Story of Old Sal\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-2%20-%20The%20Story%20of%20Old%20Sal.pdf\" }, { \"title\": \"Bulletin 2-3 - Discovery of a Cavern on Crosslow Rake, Foolow, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-3%20-%20Discovery%20of%20a%20Cavern%20on%20Crosslow%20Rake,%20Foolow,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 2-3 - Survey of the South Shropshire Lead Mining Area Part 2 - The Eastern Region\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-3%20-%20Survey%20of%20the%20South%20Shropshire%20Lead%20Mining%20Area%20Part%202%20-%20The%20Eastern%20Region.pdf\" }, { \"title\": \"Bulletin 2-3 - The Peak District Mineral Index\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-3%20-%20The%20Peak%20District%20Mineral%20Index.pdf\" }, { \"title\": \"Bulletin 2-3 - Wheels Rake, Alport-by-Youlgreave\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-3%20-%20Wheels%20Rake,%20Alport-by-Youlgreave.pdf\" }, { \"title\": \"Bulletin 2-4 - A General Survey of Present-day Mining in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20A%20General%20Survey%20of%20Present-day%20Mining%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 2-4 - Gypsum in Nottinghamshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20Gypsum%20in%20Nottinghamshire.pdf\" }, { \"title\": \"Bulletin 2-4 - Hourdlo Steel Pipe, Castleton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20Hourdlo%20Steel%20Pipe,%20Castleton.pdf\" }, { \"title\": \"Bulletin 2-4 - Notes on the High Rake Lead Mine, Windmill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20Notes%20on%20the%20High%20Rake%20Lead%20Mine,%20Windmill.pdf\" }, { \"title\": \"Bulletin 2-4 - The Black Marble Mines of Ashford-in-the-Water\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20The%20Black%20Marble%20Mines%20of%20Ashford-in-the-Water.pdf\" }, { \"title\": \"Bulletin 2-4 - Whale Sough and Hubberdale Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-4%20-%20Whale%20Sough%20and%20Hubberdale%20Mine.pdf\" }, { \"title\": \"Bulletin 2-5 - Barthelemy Faujas de St. Fond\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-5%20-%20Barthelemy%20Faujas%20de%20St.%20Fond.pdf\" }, { \"title\": \"Bulletin 2-5 - Eyam Edge Mines and Soughs - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-5%20-%20Eyam%20Edge%20Mines%20and%20Soughs%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 2-5 - Mineral Wealth of Coalbrookdale - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-5%20-%20Mineral%20Wealth%20of%20Coalbrookdale%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 2-5 - Roman Lead Mining in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-5%20-%20Roman%20Lead%20Mining%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 2-5 - Stafford's Dream\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-5%20-%20Stafford's%20Dream.pdf\" }, { \"title\": \"Bulletin 2-6 - An Attempt to Mine China Clay in Derbyshire in the 18th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20An%20Attempt%20to%20Mine%20China%20Clay%20in%20Derbyshire%20in%20the%2018th%20Century.pdf\" }, { \"title\": \"Bulletin 2-6 - A Visit to the Tri-State Lead Mining District, U.S.A.\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20A%20Visit%20to%20the%20Tri-State%20Lead%20Mining%20District,%20U.S.A..pdf\" }, { \"title\": \"Bulletin 2-6 - Extract from Shrewsbury Chronicle - 1839\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Extract%20from%20Shrewsbury%20Chronicle%20-%201839.pdf\" }, { \"title\": \"Bulletin 2-6 - Eyam Edge Mines and Soughs - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Eyam%20Edge%20Mines%20and%20Soughs%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 2-6 - Index to Volume 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Index%20to%20Volume%202.pdf\" }, { \"title\": \"Bulletin 2-6 - Kisdon Mining Company, Swaledale, Yorkshire - Part 1 - Sir Georges Level\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20-%20Part%201%20-%20Sir%20Georges%20Level.pdf\" }, { \"title\": \"Bulletin 2-6 - Notes and Reviews\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Notes%20and%20Reviews.pdf\" }, { \"title\": \"Bulletin 2-6 - Record Breaking or Record Making\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20Record%20Breaking%20or%20Record%20Making.pdf\" }, { \"title\": \"Bulletin 2-6 - The Mineral Wealth of Coalbrookdale - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20The%20Mineral%20Wealth%20of%20Coalbrookdale%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 2-6 - The Secular Variation of Magnetic North\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%202-6%20-%20The%20Secular%20Variation%20of%20Magnetic%20North.pdf\" }, { \"title\": \"Bulletin 3-1 - A List of Soughs of the Derbyshire Lead Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20A%20List%20of%20Soughs%20of%20the%20Derbyshire%20Lead%20Mines.pdf\" }, { \"title\": \"Bulletin 3-1 - Biographical Notes of Authors on Derbyshire - J.J. Ferber\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20Biographical%20Notes%20of%20Authors%20on%20Derbyshire%20-%20J.J.%20Ferber.pdf\" }, { \"title\": \"Bulletin 3-1 - Eyam Edge Mines and Soughs - Part 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20Eyam%20Edge%20Mines%20and%20Soughs%20-%20Part%203.pdf\" }, { \"title\": \"Bulletin 3-1 - Lathkill Dale - Its Mines and Miners - Supplementary Notes\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20Lathkill%20Dale%20-%20Its%20Mines%20and%20Miners%20-%20Supplementary%20Notes.pdf\" }, { \"title\": \"Bulletin 3-1 - Notes and Inpressions of Jingler Mine, Wakebridge, Crich\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20Notes%20and%20Inpressions%20of%20Jingler%20Mine,%20Wakebridge,%20Crich.pdf\" }, { \"title\": \"Bulletin 3-1 - The Kisdon Mining Company, Swaledale, Yorkshire - Part 2 - Myton Level\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-1%20-%20The%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20%20-%20Part%202%20-%20Myton%20Level.pdf\" }, { \"title\": \"Bulletin 3-2 - Biographical Notes of Authors on Derbyshire - Gideon Algernon Mantell\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20Biographical%20Notes%20of%20Authors%20on%20Derbyshire%20-%20Gideon%20Algernon%20Mantell.pdf\" }, { \"title\": \"Bulletin 3-2 - Eyam Edge Mines and Soughs - Part 4\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20Eyam%20Edge%20Mines%20and%20Soughs%20-%20Part%204.pdf\" }, { \"title\": \"Bulletin 3-2 - Field Groove Mine Sheldon, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20Field%20Groove%20Mine%20Sheldon,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 3-2 - Supplementary Notes on the Mineral Wealth of Coalbrookdale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20Supplementary%20Notes%20on%20the%20Mineral%20Wealth%20of%20Coalbrookdale.pdf\" }, { \"title\": \"Bulletin 3-2 - The End of an Era\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20The%20End%20of%20an%20Era.pdf\" }, { \"title\": \"Bulletin 3-2 - The Kisdon Mining Company, Swaledale, Yorkshire - Part 3 - The Boundary of the Company and Guy's Level\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-2%20-%20The%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20-%20Part%203%20-%20The%20Boundary%20of%20the%20Company%20and%20Guy's%20Level.pdf\" }, { \"title\": \"Bulletin 3-3 - Anston Stone The Stone for the Building of the Houses of Parliament\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20Anston%20Stone%20The%20Stone%20for%20the%20Building%20of%20the%20Houses%20of%20Parliament.pdf\" }, { \"title\": \"Bulletin 3-3 - Ball Eye Mine and Sough, Cromford\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20Ball%20Eye%20Mine%20and%20Sough,%20Cromford.pdf\" }, { \"title\": \"Bulletin 3-3 - Field Meeting at Castleton - Report of the Director - 4th December 1966\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20Field%20Meeting%20at%20Castleton%20-%20Report%20of%20the%20Director%20-%204th%20December%201966.pdf\" }, { \"title\": \"Bulletin 3-3 - Pyromorphite from the Mines of West Shropshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20Pyromorphite%20from%20the%20Mines%20of%20West%20Shropshire.pdf\" }, { \"title\": \"Bulletin 3-3 - The Formation of the Peak District Mines Historical Society\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20The%20Formation%20of%20the%20Peak%20District%20Mines%20Historical%20Society.pdf\" }, { \"title\": \"Bulletin 3-3 - The Kisdon Mining Company, Swaledale, Yorkshire - Part 4 - The Kisdon Shaft and Alton's Level\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20The%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20-%20Part%204%20-%20The%20Kisdon%20Shaft%20and%20Alton's%20Level.pdf\" }, { \"title\": \"Bulletin 3-3 - The Mining of Raddle in the Rotherham Area\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20The%20Mining%20of%20Raddle%20in%20the%20Rotherham%20Area.pdf\" }, { \"title\": \"Bulletin 3-3 - The Working of Rottenstone in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20The%20Working%20of%20Rottenstone%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 3-3 - Whetstone Mining at Gillow Heath, near Biddulph, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-3%20-%20Whetstone%20Mining%20at%20Gillow%20Heath,%20near%20Biddulph,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 3-4 - A Visit to Stanhopeburn Mine, Weardale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20A%20Visit%20to%20Stanhopeburn%20Mine,%20Weardale.pdf\" }, { \"title\": \"Bulletin 3-4 - Biographical Notes on Derbyshire Authors - Karl Philipp Moritz\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Biographical%20Notes%20on%20Derbyshire%20Authors%20-%20Karl%20Philipp%20Moritz.pdf\" }, { \"title\": \"Bulletin 3-4 - Field Meeting to Millers Dale - May 1967\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Field%20Meeting%20to%20Millers%20Dale%20-%20May%201967.pdf\" }, { \"title\": \"Bulletin 3-4 - Field Meeting to Snake Mine and Wester Hollow - June 1967\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Field%20Meeting%20to%20Snake%20Mine%20and%20Wester%20Hollow%20-%20June%201967.pdf\" }, { \"title\": \"Bulletin 3-4 - Oakenedge, Streaks, and Watergrove Soughs\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Oakenedge,%20Streaks,%20and%20Watergrove%20Soughs.pdf\" }, { \"title\": \"Bulletin 3-4 - Ore Buddles at Snake Mine, Hopton and at Bonsall Leys\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Ore%20Buddles%20at%20Snake%20Mine,%20Hopton%20and%20at%20Bonsall%20Leys.pdf\" }, { \"title\": \"Bulletin 3-4 - Some Accounts of an 18th Century Lead Mining Agent in Great Longstone 1766 to 1827\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20Some%20Accounts%20of%20an%2018th%20Century%20Lead%20Mining%20Agent%20in%20Great%20Longstone%201766%20to%201827.pdf\" }, { \"title\": \"Bulletin 3-4 - The Kisdon Mining Company, Swaledale, Yorkshire - Part 5- Acre Walls Vein\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-4%20-%20The%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20-%20Part%205-%20Acre%20Walls%20Vein.pdf\" }, { \"title\": \"Bulletin 3-5 - Dr. Linden, William Hooson and North Welsh Mining in the mid 18th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Dr.%20Linden,%20William%20Hooson%20and%20North%20Welsh%20Mining%20in%20the%20mid%2018th%20Century.pdf\" }, { \"title\": \"Bulletin 3-5 - Index to the Mining Records in the Bagshaw Collection in the John Rylands Library, Manchester - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Index%20to%20the%20Mining%20Records%20in%20the%20Bagshaw%20Collection%20in%20the%20John%20Rylands%20Library,%20Manchester%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 3-5 - Notes on the Caves of Anston Stones near Sheffield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Notes%20on%20the%20Caves%20of%20Anston%20Stones%20near%20Sheffield.pdf\" }, { \"title\": \"Bulletin 3-5 - Snake Mine, Hoptonwood, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Snake%20Mine,%20Hoptonwood,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 3-5 - The Kisdon Mining Company, Swaledale, Yorkshire - Part 6\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20The%20Kisdon%20Mining%20Company,%20Swaledale,%20Yorkshire%20-%20Part%206.pdf\" }, { \"title\": \"Bulletin 3-5 - Watergrove Mine - A Supplementary Note\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Watergrove%20Mine%20-%20A%20Supplementary%20Note.pdf\" }, { \"title\": \"Bulletin 3-5 - Water Icicle Close Mine, Monyash\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Water%20Icicle%20Close%20Mine,%20Monyash.pdf\" }, { \"title\": \"Bulletin 3-5 - Winster and 18th Century Lead Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-5%20-%20Winster%20and%2018th%20Century%20Lead%20Mining.pdf\" }, { \"title\": \"Bulletin 3-6 - A Report on Nestus Mine and other Shafts on the Heights of Abraham, Matlock Bath, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20A%20Report%20on%20Nestus%20Mine%20and%20other%20Shafts%20on%20the%20Heights%20of%20Abraham,%20Matlock%20Bath,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 3-6 - Derbyshire Influences on Lead Mining in North Wales in the 17th and 18th Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Derbyshire%20Influences%20on%20Lead%20Mining%20in%20North%20Wales%20in%20the%2017th%20and%2018th%20Centuries.pdf\" }, { \"title\": \"Bulletin 3-6 - Field Meeting in Cromford - Middleton area held 20th August 1967\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Field%20Meeting%20in%20Cromford%20-%20Middleton%20area%20held%2020th%20August%201967.pdf\" }, { \"title\": \"Bulletin 3-6 - Index to the Mining Records in the Bagshaw Collection in the John Rylands Library, Manchester - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Index%20to%20the%20Mining%20Records%20in%20the%20Bagshaw%20Collection%20in%20the%20John%20Rylands%20Library,%20Manchester%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 3-6 - Lead Mining Documents in the Derbyshire Record Office\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Lead%20Mining%20Documents%20in%20the%20Derbyshire%20Record%20Office.pdf\" }, { \"title\": \"Bulletin 3-6 - On Being Elected to the Grand Jury of the Barmote Court\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20On%20Being%20Elected%20to%20the%20Grand%20Jury%20of%20the%20Barmote%20Court.pdf\" }, { \"title\": \"Bulletin 3-6 - Soughs in Middleton Dale - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Soughs%20in%20Middleton%20Dale%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 3-6 - Stone Edge Cupola\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Stone%20Edge%20Cupola.pdf\" }, { \"title\": \"Bulletin 3-6 - The Capping of Knotlow Engine Shaft\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20The%20Capping%20of%20Knotlow%20Engine%20Shaft.pdf\" }, { \"title\": \"Bulletin 3-6 - The Kirkby Lead Mining Manuscript Collection\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20The%20Kirkby%20Lead%20Mining%20Manuscript%20Collection.pdf\" }, { \"title\": \"Bulletin 3-6 - The Magpie Mine Engine House, Sheldon, Derbyshire, 1864\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20The%20Magpie%20Mine%20Engine%20House,%20Sheldon,%20Derbyshire,%201864.pdf\" }, { \"title\": \"Bulletin 3-6 - Title Pages and Index for Volume 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%203-6%20-%20Title%20Pages%20and%20Index%20for%20Volume%203.pdf\" }, { \"title\": \"Bulletin 4-1 - A Manhole Cover for Snake Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20A%20Manhole%20Cover%20for%20Snake%20Mine.pdf\" }, { \"title\": \"Bulletin 4-1 - A Survey of Mandale Mine, Lathkill Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20A%20Survey%20of%20Mandale%20Mine,%20Lathkill%20Dale.pdf\" }, { \"title\": \"Bulletin 4-1 - Charles Henry Millington, 1878 to 1968 - An Appreciation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Charles%20Henry%20Millington,%201878%20to%201968%20-%20An%20Appreciation.pdf\" }, { \"title\": \"Bulletin 4-1 - Cupola Lead Smelting Sites in Derbyshire, 1737 to 1900\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Cupola%20Lead%20Smelting%20Sites%20in%20Derbyshire,%201737%20to%201900.pdf\" }, { \"title\": \"Bulletin 4-1 - Discovery of an Unusual 'Lime Kiln', at Hassop, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Discovery%20of%20an%20Unusual%20'Lime%20Kiln',%20at%20Hassop,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 4-1 - Early Mining Techniques in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Early%20Mining%20Techniques%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 4-1 - Index to the Records in the John Rylands Library - Part 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Index%20to%20the%20Records%20in%20the%20John%20Rylands%20Library%20-%20Part%203.pdf\" }, { \"title\": \"Bulletin 4-1 - Lead-Glazed Roman Pottery found near Derby\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Lead-Glazed%20Roman%20Pottery%20found%20near%20Derby.pdf\" }, { \"title\": \"Bulletin 4-1 - Mine Fatalities in the Derbyshire Metalliferous Mining Area, 1874 to 1939\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Mine%20Fatalities%20in%20the%20Derbyshire%20Metalliferous%20Mining%20Area,%201874%20to%201939.pdf\" }, { \"title\": \"Bulletin 4-1 - Notes on the Derbyshire Map Surveyed and Produced by Peter Perez Burdett, 1762 to 1767\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20Notes%20on%20the%20Derbyshire%20Map%20Surveyed%20and%20Produced%20by%20Peter%20Perez%20Burdett,%201762%20to%201767.pdf\" }, { \"title\": \"Bulletin 4-1 - The Derbyshire Barmote Court\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20The%20Derbyshire%20Barmote%20Court.pdf\" }, { \"title\": \"Bulletin 4-1 - The Lead Miner of Longstone Church\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20The%20Lead%20Miner%20of%20Longstone%20Church.pdf\" }, { \"title\": \"Bulletin 4-1 - The Quest for a Lost Lead Mine in Leicestershire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-1%20-%20The%20Quest%20for%20a%20Lost%20Lead%20Mine%20in%20Leicestershire.pdf\" }, { \"title\": \"Bulletin 4-2 - A Miners Porringer found on Longstone Edge\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20A%20Miners%20Porringer%20found%20on%20Longstone%20Edge.pdf\" }, { \"title\": \"Bulletin 4-2 - A Note on the Price of Lead 1730 to 1900\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20A%20Note%20on%20the%20Price%20of%20Lead%201730%20to%201900.pdf\" }, { \"title\": \"Bulletin 4-2 - Ecton Hill - A Study of the Surface Features\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20Ecton%20Hill%20-%20A%20Study%20of%20the%20Surface%20Features.pdf\" }, { \"title\": \"Bulletin 4-2 - Lead Mining in the Wirksworth District during the late Eighteenth and early Nineteenth Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20Lead%20Mining%20in%20the%20Wirksworth%20District%20during%20the%20late%20Eighteenth%20and%20early%20Nineteenth%20Centuries.pdf\" }, { \"title\": \"Bulletin 4-2 - Settlingstones - The Worlds Last Witherite Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20Settlingstones%20-%20The%20Worlds%20Last%20Witherite%20Mine.pdf\" }, { \"title\": \"Bulletin 4-2 - The Ecton Copper Mines in the Seventeenth Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20The%20Ecton%20Copper%20Mines%20in%20the%20Seventeenth%20Century.pdf\" }, { \"title\": \"Bulletin 4-2 - The Soughs of Derbyshire Lead Mines - Supplementary List\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-2%20-%20The%20Soughs%20of%20Derbyshire%20Lead%20Mines%20-%20Supplementary%20List.pdf\" }, { \"title\": \"Bulletin 4-3 - Ecton Hill - Part 2 - Underground\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Ecton%20Hill%20-%20Part%202%20-%20Underground.pdf\" }, { \"title\": \"Bulletin 4-3 - Notes on the Sand Workings in the Doncaster Area\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Notes%20on%20the%20Sand%20Workings%20in%20the%20Doncaster%20Area.pdf\" }, { \"title\": \"Bulletin 4-3 - Report of a Field Meeting at Cromford Meadows, Derbyshire - 21st September\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Report%20of%20a%20Field%20Meeting%20at%20Cromford%20Meadows,%20Derbyshire%20-%2021st%20September.pdf\" }, { \"title\": \"Bulletin 4-3 - Report on the Crich Mining Display at the Tramway Museum, Crich\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Report%20on%20the%20Crich%20Mining%20Display%20at%20the%20Tramway%20Museum,%20Crich.pdf\" }, { \"title\": \"Bulletin 4-3 - Some Archival Sources of Information on Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Some%20Archival%20Sources%20of%20Information%20on%20Mines.pdf\" }, { \"title\": \"Bulletin 4-3 - Supplementary Notes on the Working of Raddle at Micklebring, Rotherham\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Supplementary%20Notes%20on%20the%20Working%20of%20Raddle%20at%20Micklebring,%20Rotherham.pdf\" }, { \"title\": \"Bulletin 4-3 - Two Lead Smelting Mills in North Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-3%20-%20Two%20Lead%20Smelting%20Mills%20in%20North%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 4-4 - A Survey of Ball Eye Mines, Bonsall\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20A%20Survey%20of%20Ball%20Eye%20Mines,%20Bonsall.pdf\" }, { \"title\": \"Bulletin 4-4 - Hand-Built for the Job - An Example of Early Metallurgical Craftsmanship\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20Hand-Built%20for%20the%20Job%20-%20An%20Example%20of%20Early%20Metallurgical%20Craftsmanship.pdf\" }, { \"title\": \"Bulletin 4-4 - Magpie Mine and the Garlick Family 1881-1930\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20Magpie%20Mine%20and%20the%20Garlick%20Family%201881-1930.pdf\" }, { \"title\": \"Bulletin 4-4 - Notes on the Western Elton Mining Field\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20Notes%20on%20the%20Western%20Elton%20Mining%20Field.pdf\" }, { \"title\": \"Bulletin 4-4 - Regional Geochemical Reconnaissance of the Derbyshire Area - A Review\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20Regional%20Geochemical%20Reconnaissance%20of%20the%20Derbyshire%20Area%20-%20A%20Review.pdf\" }, { \"title\": \"Bulletin 4-4 - The Copper and Lead Mines of the Mixon area, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20The%20Copper%20and%20Lead%20Mines%20of%20the%20Mixon%20area,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 4-4 - The Mineral Fields of Derbyshire and Cornwall - A Brief Comparison\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-4%20-%20The%20Mineral%20Fields%20of%20Derbyshire%20and%20Cornwall%20-%20A%20Brief%20Comparison.pdf\" }, { \"title\": \"Bulletin 4-5 - A Letter about Mill Close Mine in 1918\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20A%20Letter%20about%20Mill%20Close%20Mine%20in%201918.pdf\" }, { \"title\": \"Bulletin 4-5 - Bamforth Hole, Stoney Middleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Bamforth%20Hole,%20Stoney%20Middleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 4-5 - Biographical Notes of Authors on Derbyshire - Richard Watson, 1737-1816\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Biographical%20Notes%20of%20Authors%20on%20Derbyshire%20-%20Richard%20Watson,%201737-1816.pdf\" }, { \"title\": \"Bulletin 4-5 - Copper Smelting in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Copper%20Smelting%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 4-5 - Letter from the Chesterfield Gazette 14th June 1828\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Letter%20from%20the%20Chesterfield%20Gazette%2014th%20June%201828.pdf\" }, { \"title\": \"Bulletin 4-5 - Richard Niness, Mineral Agent, of Warslow in Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Richard%20Niness,%20Mineral%20Agent,%20of%20Warslow%20in%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 4-5 - Some Adits in the Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Some%20Adits%20in%20the%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 4-5 - The Introduction of the Cupola for Smelting down Lead to Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20The%20Introduction%20of%20the%20Cupola%20for%20Smelting%20down%20Lead%20to%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 4-5 - The Preservation of Mining Remains within the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20The%20Preservation%20of%20Mining%20Remains%20within%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 4-5 - Two Mine Wagons from Alston Moor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-5%20-%20Two%20Mine%20Wagons%20from%20Alston%20Moor.pdf\" }, { \"title\": \"Bulletin 4-6 - Index of Mines, Veins, Soughs etc. to Volume 4\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20Index%20of%20Mines,%20Veins,%20Soughs%20etc.%20to%20Volume%204.pdf\" }, { \"title\": \"Bulletin 4-6 - Some Notes on Underground Photography\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20Some%20Notes%20on%20Underground%20Photography.pdf\" }, { \"title\": \"Bulletin 4-6 - Some Recent Surface and Underground Observations at Magpie Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20Some%20Recent%20Surface%20and%20Underground%20Observations%20at%20Magpie%20Mine.pdf\" }, { \"title\": \"Bulletin 4-6 - The Adit Workings on the North Side of the Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20The%20Adit%20Workings%20on%20the%20North%20Side%20of%20the%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 4-6 - The Metalliferous Mines of the Weaver Hills, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20The%20Metalliferous%20Mines%20of%20the%20Weaver%20Hills,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 4-6 - The Recovery of a Steam Engine from Putwell Hill Mine, Monsal Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%204-6%20-%20The%20Recovery%20of%20a%20Steam%20Engine%20from%20Putwell%20Hill%20Mine,%20Monsal%20Dale.pdf\" }, { \"title\": \"Bulletin 5-1 - A Survey of Good Luck Mine and Adjacent Levels in the Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20A%20Survey%20of%20Good%20Luck%20Mine%20and%20Adjacent%20Levels%20in%20the%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 5-1 - Biographical Notes on Derbyshire Authors - Gabriel Jars (1732-1769) and the Derbyshire Lead Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Biographical%20Notes%20on%20Derbyshire%20Authors%20-%20Gabriel%20Jars%20(1732-1769)%20and%20the%20Derbyshire%20Lead%20Industry.pdf\" }, { \"title\": \"Bulletin 5-1 - Lead Smelting Sites at Beeley Moor, Barbrook and Stoneedge - Report of a Field Meeting on 13 November 1971\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Lead%20Smelting%20Sites%20at%20Beeley%20Moor,%20Barbrook%20and%20Stoneedge%20-%20Report%20of%20a%20Field%20Meeting%20on%2013%20November%201971.pdf\" }, { \"title\": \"Bulletin 5-1 - Magpie Mine and the Bacon Family 1930-1951\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Magpie%20Mine%20and%20the%20Bacon%20Family%201930-1951.pdf\" }, { \"title\": \"Bulletin 5-1 - Notes on the Lathkill Gold Mine, 1854-1856\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Notes%20on%20the%20Lathkill%20Gold%20Mine,%201854-1856.pdf\" }, { \"title\": \"Bulletin 5-1 - Putwell Hill Lead Mine, Monsal Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Putwell%20Hill%20Lead%20Mine,%20Monsal%20Dale.pdf\" }, { \"title\": \"Bulletin 5-1 - Recollections of a Mill Close Miner\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20Recollections%20of%20a%20Mill%20Close%20Miner.pdf\" }, { \"title\": \"Bulletin 5-1 - The Metalliferous Mines of the Weaver Hills, Staffordshire - Part 2 - The Ribden Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20The%20Metalliferous%20Mines%20of%20the%20Weaver%20Hills,%20Staffordshire%20-%20Part%202%20-%20The%20Ribden%20Mines.pdf\" }, { \"title\": \"Bulletin 5-1 - The Royledge and New York Copper Mines, Upper Elkstones, near Leek, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-1%20-%20The%20Royledge%20and%20New%20York%20Copper%20Mines,%20Upper%20Elkstones,%20near%20Leek,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 5-2 - Biographical Notes on Derbyshire Authors - William Adam (1794-1873) and the Gem of the Peak\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20Biographical%20Notes%20on%20Derbyshire%20Authors%20-%20William%20Adam%20(1794-1873)%20and%20the%20Gem%20of%20the%20Peak.pdf\" }, { \"title\": \"Bulletin 5-2 - Eyam Cottage Museum Project\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20Eyam%20Cottage%20Museum%20Project.pdf\" }, { \"title\": \"Bulletin 5-2 - Origins and History of Fire Setting\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20Origins%20and%20History%20of%20Fire%20Setting.pdf\" }, { \"title\": \"Bulletin 5-2 - Parys Mountain Copper Mine, Anglesey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20Parys%20Mountain%20Copper%20Mine,%20Anglesey.pdf\" }, { \"title\": \"Bulletin 5-2 - The Dale Mine, Manifold Valley, North Staffordshire - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20The%20Dale%20Mine,%20Manifold%20Valley,%20North%20Staffordshire%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 5-2 - Wapping Mine and Cumberland Cavern, Matlock Bath\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-2%20-%20Wapping%20Mine%20and%20Cumberland%20Cavern,%20Matlock%20Bath.pdf\" }, { \"title\": \"Bulletin 5-3 - Crich Lot and Cope\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20Crich%20Lot%20and%20Cope.pdf\" }, { \"title\": \"Bulletin 5-3 - Folklore and Superstition in Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20Folklore%20and%20Superstition%20in%20Mines.pdf\" }, { \"title\": \"Bulletin 5-3 - Mixon Mine - Level in South Shaft\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20Mixon%20Mine%20-%20Level%20in%20South%20Shaft.pdf\" }, { \"title\": \"Bulletin 5-3 - New Pumps for Old\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20New%20Pumps%20for%20Old.pdf\" }, { \"title\": \"Bulletin 5-3 - Supplementary Notes on the Lead Mines in the Monyash-Flagg Area of Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20Supplementary%20Notes%20on%20the%20Lead%20Mines%20in%20the%20Monyash-Flagg%20Area%20of%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 5-3 - The Dale Mine, Manifold Valley, North Staffordshire - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20The%20Dale%20Mine,%20Manifold%20Valley,%20North%20Staffordshire%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 5-3 - The Mines East of Hoptonwood Quarries, Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-3%20-%20The%20Mines%20East%20of%20Hoptonwood%20Quarries,%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 5-4 - Goodluck Mine, Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-4%20-%20Goodluck%20Mine,%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 5-4 - The Mines near Upperwood, Matlock Bath. Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-4%20-%20The%20Mines%20near%20Upperwood,%20Matlock%20Bath.%20Part%201.pdf\" }, { \"title\": \"Bulletin 5-4 - The Watergrove Pumping Engine of 1838\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-4%20-%20The%20Watergrove%20Pumping%20Engine%20of%201838.pdf\" }, { \"title\": \"Bulletin 5-4 - Thoughts on Derbyshire Caves and Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-4%20-%20Thoughts%20on%20Derbyshire%20Caves%20and%20Mines.pdf\" }, { \"title\": \"Bulletin 5-5 - A History of the Bincliff Lead Mines, Wetton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20A%20History%20of%20the%20Bincliff%20Lead%20Mines,%20Wetton.pdf\" }, { \"title\": \"Bulletin 5-5 - Analysis of membership of the Society\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20Analysis%20of%20membership%20of%20the%20Society.pdf\" }, { \"title\": \"Bulletin 5-5 - An Ecological Survey of Mines in Cucklet Delph, Stoney Middleton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20An%20Ecological%20Survey%20of%20Mines%20in%20Cucklet%20Delph,%20Stoney%20Middleton.pdf\" }, { \"title\": \"Bulletin 5-5 - A Preliminary Survey of the Bincliff Lead Mines, Wetton, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20A%20Preliminary%20Survey%20of%20the%20Bincliff%20Lead%20Mines,%20Wetton,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 5-5 - Folksongs of the Peak District Miners - a Letter\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20Folksongs%20of%20the%20Peak%20District%20Miners%20-%20a%20Letter.pdf\" }, { \"title\": \"Bulletin 5-5 - Lead Mining in Cromford Liberty, 1698-1714\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20Lead%20Mining%20in%20Cromford%20Liberty,%201698-1714.pdf\" }, { \"title\": \"Bulletin 5-5 - Lead Poisoning in the Derbyshire Lead Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20Lead%20Poisoning%20in%20the%20Derbyshire%20Lead%20Industry.pdf\" }, { \"title\": \"Bulletin 5-5 - Preservation of Mining Relics - Notes for Guidance\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20Preservation%20of%20Mining%20Relics%20-%20Notes%20for%20Guidance.pdf\" }, { \"title\": \"Bulletin 5-5 - The Dale Mine, Manifold Valley, North Staffordshire - Part 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20The%20Dale%20Mine,%20Manifold%20Valley,%20North%20Staffordshire%20-%20Part%203.pdf\" }, { \"title\": \"Bulletin 5-5 - The Lords Cupola, Middleton Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-5%20-%20The%20Lords%20Cupola,%20Middleton%20Dale.pdf\" }, { \"title\": \"Bulletin 5-6 - A Sharpening Stone from a Level on Hassop Common\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20A%20Sharpening%20Stone%20from%20a%20Level%20on%20Hassop%20Common.pdf\" }, { \"title\": \"Bulletin 5-6 - A Survey of a Mine in Tearsall Rough, Wensley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20A%20Survey%20of%20a%20Mine%20in%20Tearsall%20Rough,%20Wensley.pdf\" }, { \"title\": \"Bulletin 5-6 - A Survey of Maypit and Redsoil Mines, Sheldon\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20A%20Survey%20of%20Maypit%20and%20Redsoil%20Mines,%20Sheldon.pdf\" }, { \"title\": \"Bulletin 5-6 - Biographical Notes - John Whitehurst, 1713-1788\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Biographical%20Notes%20-%20John%20Whitehurst,%201713-1788.pdf\" }, { \"title\": \"Bulletin 5-6 - Britains Mine's and Manufactories -Celia Fiennes' Observations in 1697-8\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Britains%20Mine's%20and%20Manufactories%20-Celia%20Fiennes'%20Observations%20in%201697-8.pdf\" }, { \"title\": \"Bulletin 5-6 - Index to Volume 5\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Index%20to%20Volume%205.pdf\" }, { \"title\": \"Bulletin 5-6 - Notes on Bravoite in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Notes%20on%20Bravoite%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 5-6 - Recovery of the second Steam Engine from Putwell Hill Mine, Monsal Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Recovery%20of%20the%20second%20Steam%20Engine%20from%20Putwell%20Hill%20Mine,%20Monsal%20Dale.pdf\" }, { \"title\": \"Bulletin 5-6 - Report on Shaft Capping on Masson Hill, Matlock, June 1974\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20Report%20on%20Shaft%20Capping%20on%20Masson%20Hill,%20Matlock,%20June%201974.pdf\" }, { \"title\": \"Bulletin 5-6 - The Re-opening of the Magpie Sough \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%205-6%20-%20The%20Re-opening%20of%20the%20Magpie%20Sough%20.pdf\" }, { \"title\": \"Bulletin 6-1 - Brightside Mine, Hassop\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Brightside%20Mine,%20Hassop.pdf\" }, { \"title\": \"Bulletin 6-1 - Comments on Redsoil and Magpie\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Comments%20on%20Redsoil%20and%20Magpie.pdf\" }, { \"title\": \"Bulletin 6-1 - Geology of the Blende Vein, Magpie Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Geology%20of%20the%20Blende%20Vein,%20Magpie%20Sough.pdf\" }, { \"title\": \"Bulletin 6-1 - Holme Bank Chert Mine, Bakewell\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Holme%20Bank%20Chert%20Mine,%20Bakewell.pdf\" }, { \"title\": \"Bulletin 6-1 - Impressions of visits to Parc Mine, North Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Impressions%20of%20visits%20to%20Parc%20Mine,%20North%20Wales.pdf\" }, { \"title\": \"Bulletin 6-1 - James Croston - On Foot through the Peak\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20James%20Croston%20-%20On%20Foot%20through%20the%20Peak.pdf\" }, { \"title\": \"Bulletin 6-1 - Preservation and Restoration Practices used at Goodluck Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Preservation%20and%20Restoration%20Practices%20used%20at%20Goodluck%20Mine.pdf\" }, { \"title\": \"Bulletin 6-1 - Songs of the Derbyshire Lead Miners\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20Songs%20of%20the%20Derbyshire%20Lead%20Miners.pdf\" }, { \"title\": \"Bulletin 6-1 - The Lead Mines of South East Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-1%20-%20The%20Lead%20Mines%20of%20South%20East%20Wales.pdf\" }, { \"title\": \"Bulletin 6-2 - A Gazetteer of Ironstone Mines in the East Midlands\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20A%20Gazetteer%20of%20Ironstone%20Mines%20in%20the%20East%20Midlands.pdf\" }, { \"title\": \"Bulletin 6-2 - A Survey of the Shafts of Bincliff, Oversetts and Highfields Mine, Wetton, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20A%20Survey%20of%20the%20Shafts%20of%20Bincliff,%20Oversetts%20and%20Highfields%20Mine,%20Wetton,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 6-2 - Lead Mining in Ashover - A Preliminary Survey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Lead%20Mining%20in%20Ashover%20-%20A%20Preliminary%20Survey.pdf\" }, { \"title\": \"Bulletin 6-2 - Notes on some Early Techniques used in Derbyshire Lead Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Notes%20on%20some%20Early%20Techniques%20used%20in%20Derbyshire%20Lead%20Mining.pdf\" }, { \"title\": \"Bulletin 6-2 - Smallpenny Sough, Lathkill Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Smallpenny%20Sough,%20Lathkill%20Dale.pdf\" }, { \"title\": \"Bulletin 6-2 - Stanley Rowlands' Recollections of Magpie Mine in 1924\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Stanley%20Rowlands'%20Recollections%20of%20Magpie%20Mine%20in%201924.pdf\" }, { \"title\": \"Bulletin 6-2 - The Burgoyne Mines at Ecton during the Seventeenth Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20The%20Burgoyne%20Mines%20at%20Ecton%20during%20the%20Seventeenth%20Century.pdf\" }, { \"title\": \"Bulletin 6-2 - The Geology of Magpie Sough and Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20The%20Geology%20of%20Magpie%20Sough%20and%20Mine.pdf\" }, { \"title\": \"Bulletin 6-2 - The Mines of Hassop Common - Part 1\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20The%20Mines%20of%20Hassop%20Common%20-%20Part%201.pdf\" }, { \"title\": \"Bulletin 6-2 - The Washing of Lead Ore in Derbyshire during the Nineteenth Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20The%20Washing%20of%20Lead%20Ore%20in%20Derbyshire%20during%20the%20Nineteenth%20Century.pdf\" }, { \"title\": \"Bulletin 6-2 - Two Roman Pigs of Lead found near Ashbourne\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Two%20Roman%20Pigs%20of%20Lead%20found%20near%20Ashbourne.pdf\" }, { \"title\": \"Bulletin 6-2 - Two Wooden Lead Ore Measuring Dishes\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Two%20Wooden%20Lead%20Ore%20Measuring%20Dishes.pdf\" }, { \"title\": \"Bulletin 6-2 - Unusual Water-powered Engines in the Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-2%20-%20Unusual%20Water-powered%20Engines%20in%20the%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 6-3 - A Great Pig of Lead found near \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20A%20Great%20Pig%20of%20Lead%20found%20near%20.pdf\" }, { \"title\": \"Bulletin 6-3 - Calcutta Pumping Engine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Calcutta%20Pumping%20Engine.pdf\" }, { \"title\": \"Bulletin 6-3 - Comment - Unusual Water-Powered\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Comment%20-%20Unusual%20Water-Powered.pdf\" }, { \"title\": \"Bulletin 6-3 - John Taylor in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20John%20Taylor%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 6-3 - Lead Mining in Ashover\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Lead%20Mining%20in%20Ashover.pdf\" }, { \"title\": \"Bulletin 6-3 - Mandale Forefield Shaft\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Mandale%20Forefield%20Shaft.pdf\" }, { \"title\": \"Bulletin 6-3 - Presentations at the Annual \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Presentations%20at%20the%20Annual%20.pdf\" }, { \"title\": \"Bulletin 6-3 - Review of Mining Potentialities\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Review%20of%20Mining%20Potentialities.pdf\" }, { \"title\": \"Bulletin 6-3 - The Mineral Statistics\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20The%20Mineral%20Statistics.pdf\" }, { \"title\": \"Bulletin 6-3 - The Pretoria and Greenfield \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20The%20Pretoria%20and%20Greenfield%20.pdf\" }, { \"title\": \"Bulletin 6-3 - Visit to Holme Bank Chert Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Visit%20to%20Holme%20Bank%20Chert%20Mine.pdf\" }, { \"title\": \"Bulletin 6-3 - Visit to Parc Mine, North Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-3%20-%20Visit%20to%20Parc%20Mine,%20North%20Wales.pdf\" }, { \"title\": \"Bulletin 6-4 - Discussion - Gypsum in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-4%20-%20Discussion%20-%20Gypsum%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 6-4 - Odin Mine, Castleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-4%20-%20Odin%20Mine,%20Castleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 6-5 - A Puzzle Painting\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20A%20Puzzle%20Painting.pdf\" }, { \"title\": \"Bulletin 6-5 - Arran Barytes Mine, Glen Sannox, Isle of Arran\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Arran%20Barytes%20Mine,%20Glen%20Sannox,%20Isle%20of%20Arran.pdf\" }, { \"title\": \"Bulletin 6-5 - A Survey of Little Milldam Mine, Great Hucklow\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20A%20Survey%20of%20Little%20Milldam%20Mine,%20Great%20Hucklow.pdf\" }, { \"title\": \"Bulletin 6-5 - Capital Formation in the Wirksworth Lead Mining Industry - 1700 to 1800\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Capital%20Formation%20in%20the%20Wirksworth%20Lead%20Mining%20Industry%20-%201700%20to%201800.pdf\" }, { \"title\": \"Bulletin 6-5 - Druid Inn Papers at the National Library of Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Druid%20Inn%20Papers%20at%20the%20National%20Library%20of%20Wales.pdf\" }, { \"title\": \"Bulletin 6-5 - John Taylor in Derbyshire 1839-1851 - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20John%20Taylor%20in%20Derbyshire%201839-1851%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 6-5 - Mississippi Valley type Orefields in Britain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Mississippi%20Valley%20type%20Orefields%20in%20Britain.pdf\" }, { \"title\": \"Bulletin 6-5 - Nicker Grove Mine, Eyam, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Nicker%20Grove%20Mine,%20Eyam,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 6-5 - Peak District Mine Names - A Preliminary Survey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20Peak%20District%20Mine%20Names%20-%20A%20Preliminary%20Survey.pdf\" }, { \"title\": \"Bulletin 6-5 - The Lathkill Miner\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20The%20Lathkill%20Miner.pdf\" }, { \"title\": \"Bulletin 6-5 - The Recovery of the Wills Founder Water Pressure Engine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-5%20-%20The%20Recovery%20of%20the%20Wills%20Founder%20Water%20Pressure%20Engine.pdf\" }, { \"title\": \"Bulletin 6-6 - Gank Hole Mine, Lathkill Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20Gank%20Hole%20Mine,%20Lathkill%20Dale.pdf\" }, { \"title\": \"Bulletin 6-6 - Index of Veins and Mines in Volume 6\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20Index%20of%20Veins%20and%20Mines%20in%20Volume%206.pdf\" }, { \"title\": \"Bulletin 6-6 - Merry Tom Vein, Middleton-by-Wirksworth, A Supplementary Note\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20Merry%20Tom%20Vein,%20Middleton-by-Wirksworth,%20A%20Supplementary%20Note.pdf\" }, { \"title\": \"Bulletin 6-6 - Mines in the Slingtor Wood Area, Cromford\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20Mines%20in%20the%20Slingtor%20Wood%20Area,%20Cromford.pdf\" }, { \"title\": \"Bulletin 6-6 - The Barmoot Court, Wirksworth, 1977\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20The%20Barmoot%20Court,%20Wirksworth,%201977.pdf\" }, { \"title\": \"Bulletin 6-6 - The Castleton Field Meeting, April 1977\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20The%20Castleton%20Field%20Meeting,%20April%201977.pdf\" }, { \"title\": \"Bulletin 6-6 - The Geology of the Wills Founder Engine Shaft, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20The%20Geology%20of%20the%20Wills%20Founder%20Engine%20Shaft,%20Winster.pdf\" }, { \"title\": \"Bulletin 6-6 - The Liberties of Grindlow and Foolow, August 1977\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20The%20Liberties%20of%20Grindlow%20and%20Foolow,%20August%201977.pdf\" }, { \"title\": \"Bulletin 6-6 - To Remove or Not to Remove\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20To%20Remove%20or%20Not%20to%20Remove.pdf\" }, { \"title\": \"Bulletin 6-6 - William Bray's Sketch of a Tour into Derbyshire and Yorkshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20William%20Bray's%20Sketch%20of%20a%20Tour%20into%20Derbyshire%20and%20Yorkshire.pdf\" }, { \"title\": \"Bulletin 6-6 - Wind, Water and Steam Power on Derbyshire Lead Mines - a List\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%206-6%20-%20Wind,%20Water%20and%20Steam%20Power%20on%20Derbyshire%20Lead%20Mines%20-%20a%20List.pdf\" }, { \"title\": \"Bulletin 7-1 - A Pennine Model for the Diagenetic Origin of Base-Metal Ore Deposits in Britain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20A%20Pennine%20Model%20for%20the%20Diagenetic%20Origin%20of%20Base-Metal%20Ore%20Deposits%20in%20Britain.pdf\" }, { \"title\": \"Bulletin 7-1 - Capital Formation in the Wirksworth Lead Mining Industry - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20Capital%20Formation%20in%20the%20Wirksworth%20Lead%20Mining%20Industry%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 7-1 - John Burton's Mining Jug\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20John%20Burton's%20Mining%20Jug.pdf\" }, { \"title\": \"Bulletin 7-1 - The Activities of the London Lead Companies in Wirksworth - A Brief Summary\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20The%20Activities%20of%20the%20London%20Lead%20Companies%20in%20Wirksworth%20-%20A%20Brief%20Summary.pdf\" }, { \"title\": \"Bulletin 7-1 - The Ballad of the Great Barmote Court\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20The%20Ballad%20of%20the%20Great%20Barmote%20Court.pdf\" }, { \"title\": \"Bulletin 7-1 - The Geology and Exploration of the Hubbadale Mines, Taddington\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20The%20Geology%20and%20Exploration%20of%20the%20Hubbadale%20Mines,%20Taddington.pdf\" }, { \"title\": \"Bulletin 7-1 - The Inquisition or Quo Warrento of 1288\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20The%20Inquisition%20or%20Quo%20Warrento%20of%201288.pdf\" }, { \"title\": \"Bulletin 7-1 - Things to Do\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1%20-%20Things%20to%20Do.pdf\" }, { \"title\": \"Bulletin 7-1- Review - The Wooley Manuscripts\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-1-%20Review%20-%20The%20Wooley%20Manuscripts.pdf\" }, { \"title\": \"Bulletin 7-2 - Anecdotes on Mill Close Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20Anecdotes%20on%20Mill%20Close%20Mine.pdf\" }, { \"title\": \"Bulletin 7-2 - A Visit to Blobber Mine, Wirksworth, in the 1920s\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20A%20Visit%20to%20Blobber%20Mine,%20Wirksworth,%20in%20the%201920s.pdf\" }, { \"title\": \"Bulletin 7-2 - Hubberdale Mine and Associated Veins 1836 to 1848\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20Hubberdale%20Mine%20and%20Associated%20Veins%201836%20to%201848.pdf\" }, { \"title\": \"Bulletin 7-2 - The Ashbourne Inquisition of 1288- A Reply\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20The%20Ashbourne%20Inquisition%20of%201288-%20A%20Reply.pdf\" }, { \"title\": \"Bulletin 7-2 - The Caves, Mines and Soughs of the Wardlow Basin and Cressbrook Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20The%20Caves,%20Mines%20and%20Soughs%20of%20the%20Wardlow%20Basin%20and%20Cressbrook%20Dale.pdf\" }, { \"title\": \"Bulletin 7-2 - The Exploration of Wills Founder Mine, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20The%20Exploration%20of%20Wills%20Founder%20Mine,%20Winster.pdf\" }, { \"title\": \"Bulletin 7-2 - The Extravaganza or Introductory Weekend 29 April to 1 May 1978\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20The%20Extravaganza%20or%20Introductory%20Weekend%2029%20April%20to%201%20May%201978.pdf\" }, { \"title\": \"Bulletin 7-2 - Two Cardiganshire Lead Mines - Caegynon and Rheidol United\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-2%20-%20Two%20Cardiganshire%20Lead%20Mines%20-%20Caegynon%20and%20Rheidol%20United.pdf\" }, { \"title\": \"Bulletin 7-3 - Review - Industrial Geology by J.L. Knill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20Review%20-%20Industrial%20Geology%20by%20J.L.%20Knill.pdf\" }, { \"title\": \"Bulletin 7-3 - Technical Development in Derbyshire Lead Mining, 1700-1880\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20Technical%20Development%20in%20Derbyshire%20Lead%20Mining,%201700-1880.pdf\" }, { \"title\": \"Bulletin 7-3 - The Coal Mines of the Flockton Area near Horbury, West Yorkshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20The%20Coal%20Mines%20of%20the%20Flockton%20Area%20near%20Horbury,%20West%20Yorkshire.pdf\" }, { \"title\": \"Bulletin 7-3 - The Engines at Mill Close Mine - 1920 to 1939\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20The%20Engines%20at%20Mill%20Close%20Mine%20-%201920%20to%201939.pdf\" }, { \"title\": \"Bulletin 7-3 - The Extent of Belland Ground adjacent to Tideslow and Maiden Rakes - Little Hucklow\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20The%20Extent%20of%20Belland%20Ground%20adjacent%20to%20Tideslow%20and%20Maiden%20Rakes%20-%20Little%20Hucklow.pdf\" }, { \"title\": \"Bulletin 7-3 - The Warl Gate Extension in Goodluck Mine, Via Gellia, Cromford, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20The%20Warl%20Gate%20Extension%20in%20Goodluck%20Mine,%20Via%20Gellia,%20Cromford,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 7-3 - The Winster Earth Tremors\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-3%20-%20The%20Winster%20Earth%20Tremors.pdf\" }, { \"title\": \"Bulletin 7-4 - A Geological Outline of the Ecton Copper Mines, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20A%20Geological%20Outline%20of%20the%20Ecton%20Copper%20Mines,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 7-4 - An Attempt to Save the Snailbeach Mining Area from Land Reclamation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20An%20Attempt%20to%20Save%20the%20Snailbeach%20Mining%20Area%20from%20Land%20Reclamation.pdf\" }, { \"title\": \"Bulletin 7-4 - CCTV Inspection of Yatestoop Mine Shaft\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20CCTV%20Inspection%20of%20Yatestoop%20Mine%20Shaft.pdf\" }, { \"title\": \"Bulletin 7-4 - Exploring Underground History the Easy Way - Using Modern Methods to Find Ancient Engine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20Exploring%20Underground%20History%20the%20Easy%20Way%20-%20Using%20Modern%20Methods%20to%20Find%20Ancient%20Engine.pdf\" }, { \"title\": \"Bulletin 7-4 - Meets Report - West Yorkshire Collieries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20Meets%20Report%20-%20West%20Yorkshire%20Collieries.pdf\" }, { \"title\": \"Bulletin 7-4 - Mining Remains in the Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20Mining%20Remains%20in%20the%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 7-4 - Miss Nellie Kirkham (Mrs. J.H.D. Myatt) - An Obituary\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20Miss%20Nellie%20Kirkham%20(Mrs.%20J.H.D.%20Myatt)%20-%20An%20Obituary.pdf\" }, { \"title\": \"Bulletin 7-4 - The Clay Vein Extension in Goodluck Mine, Via Gellia, Cromford, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20The%20Clay%20Vein%20Extension%20in%20Goodluck%20Mine,%20Via%20Gellia,%20Cromford,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 7-4 - The Recovery of the Pumps from Wills Founder Shaft, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20The%20Recovery%20of%20the%20Pumps%20from%20Wills%20Founder%20Shaft,%20Winster.pdf\" }, { \"title\": \"Bulletin 7-4 - Walton Colliery, Wakefield, West Yorkshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-4%20-%20Walton%20Colliery,%20Wakefield,%20West%20Yorkshire.pdf\" }, { \"title\": \"Bulletin 7-5 - The Artificial Drainage of the Wirksworth-Cromford Area\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-5%20-%20The%20Artificial%20Drainage%20of%20the%20Wirksworth-Cromford%20Area.pdf\" }, { \"title\": \"Bulletin 7-5 - The Earliest Lead-Mine Soughs in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-5%20-%20The%20Earliest%20Lead-Mine%20Soughs%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 7-6 - An Account of a Visit by John Rennie to Peak Cavern\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20An%20Account%20of%20a%20Visit%20by%20John%20Rennie%20to%20Peak%20Cavern.pdf\" }, { \"title\": \"Bulletin 7-6 - A Note on the Anglo-Saxon Lead Industry of the Peak\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20A%20Note%20on%20the%20Anglo-Saxon%20Lead%20Industry%20of%20the%20Peak.pdf\" }, { \"title\": \"Bulletin 7-6 - A Survey and the Geology of Putwell Hill Mine, Monsal Dale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20A%20Survey%20and%20the%20Geology%20of%20Putwell%20Hill%20Mine,%20Monsal%20Dale.pdf\" }, { \"title\": \"Bulletin 7-6 - A Wirksworth Mine Agent's Letter\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20A%20Wirksworth%20Mine%20Agent's%20Letter.pdf\" }, { \"title\": \"Bulletin 7-6 - Clear-the-Way or Black Hillock Mine, Tideslow Moor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20Clear-the-Way%20or%20Black%20Hillock%20Mine,%20Tideslow%20Moor.pdf\" }, { \"title\": \"Bulletin 7-6 - Index of Mines and Related Places in Volume 7\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20Index%20of%20Mines%20and%20Related%20Places%20in%20Volume%207.pdf\" }, { \"title\": \"Bulletin 7-6 - Memoranda Concerning the Broadmeadow and Wheels Rake Mines, Alport\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20Memoranda%20Concerning%20the%20Broadmeadow%20and%20Wheels%20Rake%20Mines,%20Alport.pdf\" }, { \"title\": \"Bulletin 7-6 - Mineralization within the Igneous Rocks of the South Pennine Orefield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20Mineralization%20within%20the%20Igneous%20Rocks%20of%20the%20South%20Pennine%20Orefield.pdf\" }, { \"title\": \"Bulletin 7-6 - Snake Mine - Some Recent Findings\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20Snake%20Mine%20-%20Some%20Recent%20Findings.pdf\" }, { \"title\": \"Bulletin 7-6 - The Geology of Hallicar Wood Adit, Via Gellia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%207-6%20-%20The%20Geology%20of%20Hallicar%20Wood%20Adit,%20Via%20Gellia.pdf\" }, { \"title\": \"Bulletin 8-1 - Dig in the Level at Groaning Tor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20Dig%20in%20the%20Level%20at%20Groaning%20Tor.pdf\" }, { \"title\": \"Bulletin 8-1 - Exploration of Fritchley Sough and Old End Mine, Crich\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20Exploration%20of%20Fritchley%20Sough%20and%20Old%20End%20Mine,%20Crich.pdf\" }, { \"title\": \"Bulletin 8-1 - Harold Sarjeant 1906-1980\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20Harold%20Sarjeant%201906-1980.pdf\" }, { \"title\": \"Bulletin 8-1 - Recollections of a Laxey Miner\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20Recollections%20of%20a%20Laxey%20Miner.pdf\" }, { \"title\": \"Bulletin 8-1 - Sir Hugh Myddelton The First Mines Adventurer\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20Sir%20Hugh%20Myddelton%20The%20First%20Mines%20Adventurer.pdf\" }, { \"title\": \"Bulletin 8-1 - The Drainage of the Alport Mining Field \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20The%20Drainage%20of%20the%20Alport%20Mining%20Field%20.pdf\" }, { \"title\": \"Bulletin 8-1 - The Eardistion Copper Mine, Shropshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-1%20-%20The%20Eardistion%20Copper%20Mine,%20Shropshire.pdf\" }, { \"title\": \"Bulletin 8-2 - A Survey of the Masson Cave-cum-Mine Complex, Matlock\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-2%20-%20A%20Survey%20of%20the%20Masson%20Cave-cum-Mine%20Complex,%20Matlock.pdf\" }, { \"title\": \"Bulletin 8-2 - Ringing Rake and Masson Soughs and the mines on the East Side of Masson Hill, Matlock\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-2%20-%20Ringing%20Rake%20and%20Masson%20Soughs%20and%20the%20mines%20on%20the%20East%20Side%20of%20Masson%20Hill,%20Matlock.pdf\" }, { \"title\": \"Bulletin 8-2 - The Development of Mining and Drainage in the Wensley, Winster and Elton areas\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-2%20-%20The%20Development%20of%20Mining%20and%20Drainage%20in%20the%20Wensley,%20Winster%20and%20Elton%20areas.pdf\" }, { \"title\": \"Bulletin 8-3 - A Few Notes on the Jingler Site, Wakebridge, Crich\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20A%20Few%20Notes%20on%20the%20Jingler%20Site,%20Wakebridge,%20Crich.pdf\" }, { \"title\": \"Bulletin 8-3 - Belland Ground in the South Pennines - Causes and Alleviations\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20Belland%20Ground%20in%20the%20South%20Pennines%20-%20Causes%20and%20Alleviations.pdf\" }, { \"title\": \"Bulletin 8-3 - Bwlch Glas Lead Mine, Cardiganshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20Bwlch%20Glas%20Lead%20Mine,%20Cardiganshire.pdf\" }, { \"title\": \"Bulletin 8-3 - John Fairburn - Stationer and Mining Entrepreneur\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20John%20Fairburn%20-%20Stationer%20and%20Mining%20Entrepreneur.pdf\" }, { \"title\": \"Bulletin 8-3 - Mawstone Mine, Youlgreave\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20Mawstone%20Mine,%20Youlgreave.pdf\" }, { \"title\": \"Bulletin 8-3 - Mining History in the Making\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20Mining%20History%20in%20the%20Making.pdf\" }, { \"title\": \"Bulletin 8-3 - Ratchwood Founder Shaft, Wirksworth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20Ratchwood%20Founder%20Shaft,%20Wirksworth.pdf\" }, { \"title\": \"Bulletin 8-3 - The Early Lead Industry and the Ancient Demesne of the Peak\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20The%20Early%20Lead%20Industry%20and%20the%20Ancient%20Demesne%20of%20the%20Peak.pdf\" }, { \"title\": \"Bulletin 8-3 - The Mawstone Mine Tragedy of 1932\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20The%20Mawstone%20Mine%20Tragedy%20of%201932.pdf\" }, { \"title\": \"Bulletin 8-3 - The Origin of the Barmote Court System - A New Theory\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-3%20-%20The%20Origin%20of%20the%20Barmote%20Court%20System%20-%20A%20New%20Theory.pdf\" }, { \"title\": \"Bulletin 8-4 - Ancient Mining in the Udaipur District of Rajasthan, India\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-4%20-%20Ancient%20Mining%20in%20the%20Udaipur%20District%20of%20Rajasthan,%20India.pdf\" }, { \"title\": \"Bulletin 8-4 - An Historical Account of Middlepeak Mine and the northern Part of Ratchwood Title, Wirksworth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-4%20-%20An%20Historical%20Account%20of%20Middlepeak%20Mine%20and%20the%20northern%20Part%20of%20Ratchwood%20Title,%20Wirksworth.pdf\" }, { \"title\": \"Bulletin 8-4 - Examination and Survey of Bage Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-4%20-%20Examination%20and%20Survey%20of%20Bage%20Mine.pdf\" }, { \"title\": \"Bulletin 8-4 - Mineralogy of Bage Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-4%20-%20Mineralogy%20of%20Bage%20Mine.pdf\" }, { \"title\": \"Bulletin 8-4 - Watts Shaft Engine House, Old Millclose Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-4%20-%20Watts%20Shaft%20Engine%20House,%20Old%20Millclose%20Mine.pdf\" }, { \"title\": \"Bulletin 8-5 - Cromford Sough and the Early Use of Gunpowder\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-5%20-%20Cromford%20Sough%20and%20the%20Early%20Use%20of%20Gunpowder.pdf\" }, { \"title\": \"Bulletin 8-5 - Pilkington's Cavern, Castleton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-5%20-%20Pilkington's%20Cavern,%20Castleton.pdf\" }, { \"title\": \"Bulletin 8-5 - The Slack Family - Brassington Lead Miners\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-5%20-%20The%20Slack%20Family%20-%20Brassington%20Lead%20Miners.pdf\" }, { \"title\": \"Bulletin 8-5 - The Steam Engines of Gregory Mine, Ashover\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-5%20-%20The%20Steam%20Engines%20of%20Gregory%20Mine,%20Ashover.pdf\" }, { \"title\": \"Bulletin 8-6 - Cromford Sough Photos\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-6%20-%20Cromford%20Sough%20Photos.pdf\" }, { \"title\": \"Bulletin 8-6 - Evolution of the South Pennine Orefield - 1. Regional Distribution of the Major Non-Metallic Minerals\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-6%20-%20Evolution%20of%20the%20South%20Pennine%20Orefield%20-%201.%20Regional%20Distribution%20of%20the%20Major%20Non-Metallic%20Minerals.pdf\" }, { \"title\": \"Bulletin 8-6 - Exploration and Survey of Great Laxey Mine, Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-6%20-%20Exploration%20and%20Survey%20of%20Great%20Laxey%20Mine,%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 8-6 - Index to Volume 8\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-6%20-%20Index%20to%20Volume%208.pdf\" }, { \"title\": \"Bulletin 8-6 - The Barker Family and Wyatt Lead Mining Businesses, 1730 to 1875\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%208-6%20-%20The%20Barker%20Family%20and%20Wyatt%20Lead%20Mining%20Businesses,%201730%20to%201875.pdf\" }, { \"title\": \"Bulletin 9-1 - The History and Workings of the Nenthead Mines, Cumbria\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-1%20-%20The%20History%20and%20Workings%20of%20the%20Nenthead%20Mines,%20Cumbria.pdf\" }, { \"title\": \"Bulletin 9-2 - Derbyshire Lead Mining and Early Geological Concepts\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-2%20-%20Derbyshire%20Lead%20Mining%20and%20Early%20Geological%20Concepts.pdf\" }, { \"title\": \"Bulletin 9-2 - Evolution of the South Pennine Orefield 2 - Mineral Associations\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-2%20-%20Evolution%20of%20the%20South%20Pennine%20Orefield%202%20-%20Mineral%20Associations.pdf\" }, { \"title\": \"Bulletin 9-2 - Mouldridge Mine, Pikehall, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-2%20-%20Mouldridge%20Mine,%20Pikehall,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 9-2 - The Pumps at Millclose Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-2%20-%20The%20Pumps%20at%20Millclose%20Mine.pdf\" }, { \"title\": \"Bulletin 9-2 - Two Old Miners\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-2%20-%20Two%20Old%20Miners.pdf\" }, { \"title\": \"Bulletin 9-3 - A Trial Excavation on High Tor Rake, Matlock\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20A%20Trial%20Excavation%20on%20High%20Tor%20Rake,%20Matlock.pdf\" }, { \"title\": \"Bulletin 9-3 - Brassington Mining, 1792 to 1826\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20Brassington%20Mining,%201792%20to%201826.pdf\" }, { \"title\": \"Bulletin 9-3 - Jacob Momma and the Ecton Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20Jacob%20Momma%20and%20the%20Ecton%20Mines.pdf\" }, { \"title\": \"Bulletin 9-3 - Letter to the Chesterfield Gazette\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20Letter%20to%20the%20Chesterfield%20Gazette.pdf\" }, { \"title\": \"Bulletin 9-3 - Peakshole Sough, Castleton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20Peakshole%20Sough,%20Castleton.pdf\" }, { \"title\": \"Bulletin 9-3 - The Mining History of Speedwell Mine or Oakden Level, Castleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-3%20-%20The%20Mining%20History%20of%20Speedwell%20Mine%20or%20Oakden%20Level,%20Castleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 9-4 - A History of Mining on Sark and Herm, Channel Islands\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-4%20-%20A%20History%20of%20Mining%20on%20Sark%20and%20Herm,%20Channel%20Islands.pdf\" }, { \"title\": \"Bulletin 9-4 - Eightennth Century Lead Ingots from the Hollandia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-4%20-%20Eightennth%20Century%20Lead%20Ingots%20from%20the%20Hollandia.pdf\" }, { \"title\": \"Bulletin 9-4 - Recollections of Mill Close Mine, South Darley, near Matlock\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-4%20-%20Recollections%20of%20Mill%20Close%20Mine,%20South%20Darley,%20near%20Matlock.pdf\" }, { \"title\": \"Bulletin 9-5 - Brittania or Snowdon Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-5%20-%20Brittania%20or%20Snowdon%20Mine.pdf\" }, { \"title\": \"Bulletin 9-5 - Prosperity and Decline in Derbyshire Lead Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-5%20-%20Prosperity%20and%20Decline%20in%20Derbyshire%20Lead%20Mining.pdf\" }, { \"title\": \"Bulletin 9-5 - The Great Laxey Winding Engine, Great Laxey Mine, Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-5%20-%20The%20Great%20Laxey%20Winding%20Engine,%20Great%20Laxey%20Mine,%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 9-5 - The Washing Floor at Killhope Lead Mine, Co. Durham - An Interim Report\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-5%20-%20The%20Washing%20Floor%20at%20Killhope%20Lead%20Mine,%20Co.%20Durham%20-%20An%20Interim%20Report.pdf\" }, { \"title\": \"Bulletin 9-6 - A Survey of Beech Cave, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20A%20Survey%20of%20Beech%20Cave,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 9-6 - Cwm Bychan or Nantmor Mine, North Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20Cwm%20Bychan%20or%20Nantmor%20Mine,%20North%20Wales.pdf\" }, { \"title\": \"Bulletin 9-6 - Index Volume 9\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20Index%20Volume%209.pdf\" }, { \"title\": \"Bulletin 9-6 - Kent Hill Gravel Mine and Quarry, Audley, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20Kent%20Hill%20Gravel%20Mine%20and%20Quarry,%20Audley,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 9-6 - Mineralization and Stress History in North Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20Mineralization%20and%20Stress%20History%20in%20North%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 9-6 - Some British Ideas about Ore Genesis from Hooke to Whitehurst 1688 to 1786\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%209-6%20-%20Some%20British%20Ideas%20about%20Ore%20Genesis%20from%20Hooke%20to%20Whitehurst%201688%20to%201786.pdf\" }, { \"title\": \"Bulletin 10-1 - A Personal Memoir of Millclose Mine in 1939\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20A%20Personal%20Memoir%20of%20Millclose%20Mine%20in%201939.pdf\" }, { \"title\": \"Bulletin 10-1 - Barber Fields Coal Drift Workings, Ringinglow, Sheffield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20Barber%20Fields%20Coal%20Drift%20Workings,%20Ringinglow,%20Sheffield.pdf\" }, { \"title\": \"Bulletin 10-1 - Further Comments about Great Laxey Winding Engine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20Further%20Comments%20about%20Great%20Laxey%20Winding%20Engine.pdf\" }, { \"title\": \"Bulletin 10-1 - Great Rake Mine in the 1920's - Recalled by Joe Gould\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20Great%20Rake%20Mine%20in%20the%201920's%20-%20Recalled%20by%20Joe%20Gould.pdf\" }, { \"title\": \"Bulletin 10-1 - Hopping Mine, Upperwood, Matlock Bath\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20Hopping%20Mine,%20Upperwood,%20Matlock%20Bath.pdf\" }, { \"title\": \"Bulletin 10-1 - John Allen, Miner, on Board H.M.S. Investigator, 1801 to 1804\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20John%20Allen,%20Miner,%20on%20Board%20H.M.S.%20Investigator,%201801%20to%201804.pdf\" }, { \"title\": \"Bulletin 10-1 - John Burton of Bonsall, Derbyshire and Iowa, U.S.A. 1795 to 1854\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20John%20Burton%20of%20Bonsall,%20Derbyshire%20and%20Iowa,%20U.S.A.%201795%20to%201854.pdf\" }, { \"title\": \"Bulletin 10-1 - Ringing Rake, Old Jant Mine and Gentlewomen's Pipes and the Masson Deposits, Matlock Bath\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-1%20-%20Ringing%20Rake,%20Old%20Jant%20Mine%20and%20Gentlewomen's%20Pipes%20and%20the%20Masson%20Deposits,%20Matlock%20Bath.pdf\" }, { \"title\": \"Bulletin 10-2 - Ancient Zinc-Lead-Silver Mining in Rajasthan, India - Interim Report\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-2%20-%20Ancient%20Zinc-Lead-Silver%20Mining%20in%20Rajasthan,%20India%20-%20Interim%20Report.pdf\" }, { \"title\": \"Bulletin 10-2 - Dane Bower Colliery, Wildboarclough, Cheshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-2%20-%20Dane%20Bower%20Colliery,%20Wildboarclough,%20Cheshire.pdf\" }, { \"title\": \"Bulletin 10-2 - The Building of the Laxey Wheel\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-2%20-%20The%20Building%20of%20the%20Laxey%20Wheel.pdf\" }, { \"title\": \"Bulletin 10-3 - Evidence of Prehistoric Mining on Copa Hill, Cwmystwyth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20Evidence%20of%20Prehistoric%20Mining%20on%20Copa%20Hill,%20Cwmystwyth.pdf\" }, { \"title\": \"Bulletin 10-3 - Mining and Tourism in California\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20Mining%20and%20Tourism%20in%20California.pdf\" }, { \"title\": \"Bulletin 10-3 - Providence Mine, the Kursaal and the 1981 Derbyshire Act\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20Providence%20Mine,%20the%20Kursaal%20and%20the%201981%20Derbyshire%20Act.pdf\" }, { \"title\": \"Bulletin 10-3 - Stone Hammers and Fire-Setting - A Preliminary Experiment at Cwmystwyth Mine, Dyfed\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20Stone%20Hammers%20and%20Fire-Setting%20-%20A%20Preliminary%20Experiment%20at%20Cwmystwyth%20Mine,%20Dyfed.pdf\" }, { \"title\": \"Bulletin 10-3 - The Barmoot Court at Wirksworth, 20th April 1988\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20The%20Barmoot%20Court%20at%20Wirksworth,%2020th%20April%201988.pdf\" }, { \"title\": \"Bulletin 10-3 - The Cliffs - Quarry and Caves, Little Haywood, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20The%20Cliffs%20-%20Quarry%20and%20Caves,%20Little%20Haywood,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 10-3 - The Working of the Derbyshire Lead Mining Customs in the 18th and 19th Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-3%20-%20The%20Working%20of%20the%20Derbyshire%20Lead%20Mining%20Customs%20in%20the%2018th%20and%2019th%20Centuries.pdf\" }, { \"title\": \"Bulletin 10-4 - A Survey of Lead Mining in Wirksworth Wapentake in 1650\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20A%20Survey%20of%20Lead%20Mining%20in%20Wirksworth%20Wapentake%20in%201650.pdf\" }, { \"title\": \"Bulletin 10-4 - Mining District Rules - Popular Law Making in the American Frontier\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Mining%20District%20Rules%20-%20Popular%20Law%20Making%20in%20the%20American%20Frontier.pdf\" }, { \"title\": \"Bulletin 10-4 - Notes on the Development of Modern Mining Legislation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Notes%20on%20the%20Development%20of%20Modern%20Mining%20Legislation.pdf\" }, { \"title\": \"Bulletin 10-4 - Opening Remarks by the Chairman\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Opening%20Remarks%20by%20the%20Chairman.pdf\" }, { \"title\": \"Bulletin 10-4 - Roman Mining Law\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Roman%20Mining%20Law.pdf\" }, { \"title\": \"Bulletin 10-4 - Stannary Law\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Stannary%20Law.pdf\" }, { \"title\": \"Bulletin 10-4 - The Extralateral Right in the United States\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20The%20Extralateral%20Right%20in%20the%20United%20States.pdf\" }, { \"title\": \"Bulletin 10-4 - The First German Mining Laws and the Archaeological Evidence\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20The%20First%20German%20Mining%20Laws%20and%20the%20Archaeological%20Evidence.pdf\" }, { \"title\": \"Bulletin 10-4 - The History of Customary Mining Law at Grassington\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20The%20History%20of%20Customary%20Mining%20Law%20at%20Grassington.pdf\" }, { \"title\": \"Bulletin 10-4 - The Mining Ordinances of New Spain - A Study of Colonial Administration of the Mining Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20The%20Mining%20Ordinances%20of%20New%20Spain%20-%20A%20Study%20of%20Colonial%20Administration%20of%20the%20Mining%20Industry.pdf\" }, { \"title\": \"Bulletin 10-4 - The Quo Waranto - A New Translation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20The%20Quo%20Waranto%20-%20A%20New%20Translation.pdf\" }, { \"title\": \"Bulletin 10-4 - Thoughts on Mining Law History\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-4%20-%20Thoughts%20on%20Mining%20Law%20History.pdf\" }, { \"title\": \"Bulletin 10-5 - A Grooved Stone Hammer from Alderley Edge\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20A%20Grooved%20Stone%20Hammer%20from%20Alderley%20Edge.pdf\" }, { \"title\": \"Bulletin 10-5 - Calver Mill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Calver%20Mill.pdf\" }, { \"title\": \"Bulletin 10-5 - Evidence of Ancient Copper Mining at Engine Vein, Alderley Edge\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Evidence%20of%20Ancient%20Copper%20Mining%20at%20Engine%20Vein,%20Alderley%20Edge.pdf\" }, { \"title\": \"Bulletin 10-5 - Extralateral Rights and the Derbyshire Customs\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Extralateral%20Rights%20and%20the%20Derbyshire%20Customs.pdf\" }, { \"title\": \"Bulletin 10-5 - Mining and Tourism in Arizona\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Mining%20and%20Tourism%20in%20Arizona.pdf\" }, { \"title\": \"Bulletin 10-5 - Prehistoric Mining Hammers from Bradda Head, Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Prehistoric%20Mining%20Hammers%20from%20Bradda%20Head,%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 10-5 - The Economics of Lead Mining in 16th and 17th Century Brassington\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20The%20Economics%20of%20Lead%20Mining%20in%2016th%20and%2017th%20Century%20Brassington.pdf\" }, { \"title\": \"Bulletin 10-5 - The Search for Iron, Lead and Gold in Douglas Bay, Isle of Man \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20The%20Search%20for%20Iron,%20Lead%20and%20Gold%20in%20Douglas%20Bay,%20Isle%20of%20Man%20.pdf\" }, { \"title\": \"Bulletin 10-5 - Voyage Metallurgique en Angleterre\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-5%20-%20Voyage%20Metallurgique%20en%20Angleterre.pdf\" }, { \"title\": \"Bulletin 10-6 - Index to Volume 10\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20Index%20to%20Volume%2010.pdf\" }, { \"title\": \"Bulletin 10-6 - Letter - Calver Mill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20Letter%20-%20Calver%20Mill.pdf\" }, { \"title\": \"Bulletin 10-6 - Letter - Extra-Lateral Rights and the Derbyshire Diffusionists\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20Letter%20-%20Extra-Lateral%20Rights%20and%20the%20Derbyshire%20Diffusionists.pdf\" }, { \"title\": \"Bulletin 10-6 - Letter - Quo Warento\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20Letter%20-%20Quo%20Warento.pdf\" }, { \"title\": \"Bulletin 10-6 - The Comparative Archaeology of Tin and Lead Dressing in Britain during the Nineteenth Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20The%20Comparative%20Archaeology%20of%20Tin%20and%20Lead%20Dressing%20in%20Britain%20during%20the%20Nineteenth%20Century.pdf\" }, { \"title\": \"Bulletin 10-6 - The Hafod-y-Porth Copper Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20The%20Hafod-y-Porth%20Copper%20Mine.pdf\" }, { \"title\": \"Bulletin 10-6 - The World Museum of Mining, Butte, Montana\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2010-6%20-%20The%20World%20Museum%20of%20Mining,%20Butte,%20Montana.pdf\" }, { \"title\": \"Bulletin 11-1 - Bell Hole - The History and Geology of a Small Lead Mine near Foxdale, Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Bell%20Hole%20-%20The%20History%20and%20Geology%20of%20a%20Small%20Lead%20Mine%20near%20Foxdale,%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 11-1 - Derbyshire Lead Smelting in the Eighteenth and Nineteenth Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Derbyshire%20Lead%20Smelting%20in%20the%20Eighteenth%20and%20Nineteenth%20Centuries.pdf\" }, { \"title\": \"Bulletin 11-1 - Exploration of Cromford Moor Mine, Steeple Grange, Wirksworth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Exploration%20of%20Cromford%20Moor%20Mine,%20Steeple%20Grange,%20Wirksworth.pdf\" }, { \"title\": \"Bulletin 11-1 - Letter- Diffusion and Determinism\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Letter-%20Diffusion%20and%20Determinism.pdf\" }, { \"title\": \"Bulletin 11-1 - Letter- Iron, Lead and Gold in Douglas Bay\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Letter-%20Iron,%20Lead%20and%20Gold%20in%20Douglas%20Bay.pdf\" }, { \"title\": \"Bulletin 11-1 - Mining and Tourism in Colorado, U.S.A.\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Mining%20and%20Tourism%20in%20Colorado,%20U.S.A..pdf\" }, { \"title\": \"Bulletin 11-1 - Pyromorphite - A Secondary Lead Mineral\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Pyromorphite%20-%20A%20Secondary%20Lead%20Mineral.pdf\" }, { \"title\": \"Bulletin 11-1 - The Mines at Campiglia Marittima, Livorno, Italy\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20The%20Mines%20at%20Campiglia%20Marittima,%20Livorno,%20Italy.pdf\" }, { \"title\": \"Bulletin 11-1 - Three Eighteenth Centuryt Mining Disputes at Grassington, Yorkshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-1%20-%20Three%20Eighteenth%20Centuryt%20Mining%20Disputes%20at%20Grassington,%20Yorkshire.pdf\" }, { \"title\": \"Bulletin 11-2 - Analysis of Lead from a Romano-British Coffin\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Analysis%20of%20Lead%20from%20a%20Romano-British%20Coffin.pdf\" }, { \"title\": \"Bulletin 11-2 - An Early Bronze Age Tin Mine in Anatolia, Turkey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20An%20Early%20Bronze%20Age%20Tin%20Mine%20in%20Anatolia,%20Turkey.pdf\" }, { \"title\": \"Bulletin 11-2 - Burgam - Shropshires Last Working Metal Mine, 1957-1963\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Burgam%20-%20Shropshires%20Last%20Working%20Metal%20Mine,%201957-1963.pdf\" }, { \"title\": \"Bulletin 11-2 - Derbyshire Miners in Sussex\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Derbyshire%20Miners%20in%20Sussex.pdf\" }, { \"title\": \"Bulletin 11-2 - Horsebuttock and Winster Pitts Mines, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Horsebuttock%20and%20Winster%20Pitts%20Mines,%20Winster.pdf\" }, { \"title\": \"Bulletin 11-2 - Loss to Eyam's Mining Heritage\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Loss%20to%20Eyam's%20Mining%20Heritage.pdf\" }, { \"title\": \"Bulletin 11-2 - Shipping the Great Laxey Ores\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20Shipping%20the%20Great%20Laxey%20Ores.pdf\" }, { \"title\": \"Bulletin 11-2 - The Industrial Archaeology of Rio Tinto and the Iberian Pyrite Belt\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20The%20Industrial%20Archaeology%20of%20Rio%20Tinto%20and%20the%20Iberian%20Pyrite%20Belt.pdf\" }, { \"title\": \"Bulletin 11-2 - The Operation of the Trevithick Wills Founder Water Pressure Engine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-2%20-%20The%20Operation%20of%20the%20Trevithick%20Wills%20Founder%20Water%20Pressure%20Engine.pdf\" }, { \"title\": \"Bulletin 11-3 - Addendum\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Addendum.pdf\" }, { \"title\": \"Bulletin 11-3 - A Lead Horse Moulding Found in a Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20A%20Lead%20Horse%20Moulding%20Found%20in%20a%20Mine.pdf\" }, { \"title\": \"Bulletin 11-3 - Ancient Copper Mining at Wadi Amram, Israel - An Archaeological Survey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Ancient%20Copper%20Mining%20at%20Wadi%20Amram,%20Israel%20-%20An%20Archaeological%20Survey.pdf\" }, { \"title\": \"Bulletin 11-3 - An Early Barmote Court Dispute and Some Facts Relating to Flots, Floats, Flats and Pipes\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20An%20Early%20Barmote%20Court%20Dispute%20and%20Some%20Facts%20Relating%20to%20Flots,%20Floats,%20Flats%20and%20Pipes.pdf\" }, { \"title\": \"Bulletin 11-3 - Clay Mining in the Holymoorside Area of Chesterfield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Clay%20Mining%20in%20the%20Holymoorside%20Area%20of%20Chesterfield.pdf\" }, { \"title\": \"Bulletin 11-3 - Fluorspar Mining in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Fluorspar%20Mining%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 11-3 - Forty Years Ago\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Forty%20Years%20Ago.pdf\" }, { \"title\": \"Bulletin 11-3 - Further Observations on the Trevithick Water Pressure Engine with Comments on the New Museum Model\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Further%20Observations%20on%20the%20Trevithick%20Water%20Pressure%20Engine%20with%20Comments%20on%20the%20New%20Museum%20Model.pdf\" }, { \"title\": \"Bulletin 11-3 - Leslie Owain Ford - Mineral Collector and Joint Founder of the Peak District Mines Historical Society\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Leslie%20Owain%20Ford%20-%20Mineral%20Collector%20and%20Joint%20Founder%20of%20the%20Peak%20District%20Mines%20Historical%20Society.pdf\" }, { \"title\": \"Bulletin 11-3 - Long Garth - A Little Known Copper Mine in the Lake District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Long%20Garth%20-%20A%20Little%20Known%20Copper%20Mine%20in%20the%20Lake%20District.pdf\" }, { \"title\": \"Bulletin 11-3 - Schrams Rock Boring and Air Compressing Machinery\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-3%20-%20Schrams%20Rock%20Boring%20and%20Air%20Compressing%20Machinery.pdf\" }, { \"title\": \"Bulletin 11-4 - A Visit to the Kolar Gold Field, India\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20A%20Visit%20to%20the%20Kolar%20Gold%20Field,%20India.pdf\" }, { \"title\": \"Bulletin 11-4 - Firesetting at Hope Mine, but where is it\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Firesetting%20at%20Hope%20Mine,%20but%20where%20is%20it.pdf\" }, { \"title\": \"Bulletin 11-4 - Gentlemen Barmasters - A Seventeenth Century Mining Dynasty\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Gentlemen%20Barmasters%20-%20A%20Seventeenth%20Century%20Mining%20Dynasty.pdf\" }, { \"title\": \"Bulletin 11-4 - Gypsum Working in the Parish of Orston, Nottinghamshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Gypsum%20Working%20in%20the%20Parish%20of%20Orston,%20Nottinghamshire.pdf\" }, { \"title\": \"Bulletin 11-4 - Horsecroft Shaft, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Horsecroft%20Shaft,%20Winster.pdf\" }, { \"title\": \"Bulletin 11-4 - Lead Mining Industry in the 19th Century - Spanish Industry or British Adventure\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Lead%20Mining%20Industry%20in%20the%2019th%20Century%20-%20Spanish%20Industry%20or%20British%20Adventure.pdf\" }, { \"title\": \"Bulletin 11-4 - Life in a Small Mining Community, 1944 to 1954\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Life%20in%20a%20Small%20Mining%20Community,%201944%20to%201954.pdf\" }, { \"title\": \"Bulletin 11-4 - Mining in North Devon prior to 1800\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20Mining%20in%20North%20Devon%20prior%20to%201800.pdf\" }, { \"title\": \"Bulletin 11-4 - The AD Lead Mines in Swaledale, Yorkshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20The%20AD%20Lead%20Mines%20in%20Swaledale,%20Yorkshire.pdf\" }, { \"title\": \"Bulletin 11-4 - The British Mines Inspectorate - The Early Years\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-4%20-%20The%20British%20Mines%20Inspectorate%20-%20The%20Early%20Years.pdf\" }, { \"title\": \"Bulletin 11-5 - Accidents at Glasshouse Common Ironstone Mine, 1865 and Baddesley Colliery, 1882\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Accidents%20at%20Glasshouse%20Common%20Ironstone%20Mine,%201865%20and%20Baddesley%20Colliery,%201882.pdf\" }, { \"title\": \"Bulletin 11-5 - Ancient Mining Customs used in England Today\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Ancient%20Mining%20Customs%20used%20in%20England%20Today.pdf\" }, { \"title\": \"Bulletin 11-5 - Eric Fisher of Winster - an Obituary\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Eric%20Fisher%20of%20Winster%20-%20an%20Obituary.pdf\" }, { \"title\": \"Bulletin 11-5 - Gazetteer of Tin and Lead Ore Dressing Sites in Great Britain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Gazetteer%20of%20Tin%20and%20Lead%20Ore%20Dressing%20Sites%20in%20Great%20Britain.pdf\" }, { \"title\": \"Bulletin 11-5 - Letters to the Editor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Letters%20to%20the%20Editor.pdf\" }, { \"title\": \"Bulletin 11-5 - Management and Workers at Miners Engine Mine, Eyam, in the Mid-Eighteenth Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Management%20and%20Workers%20at%20Miners%20Engine%20Mine,%20Eyam,%20in%20the%20Mid-Eighteenth%20Century.pdf\" }, { \"title\": \"Bulletin 11-5 - Report on the 1991 Archaeological Survey of Kestel Tin Mine, Turkey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Report%20on%20the%201991%20Archaeological%20Survey%20of%20Kestel%20Tin%20Mine,%20Turkey.pdf\" }, { \"title\": \"Bulletin 11-5 - The Largest Blue John Vases ever Made\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20The%20Largest%20Blue%20John%20Vases%20ever%20Made.pdf\" }, { \"title\": \"Bulletin 11-5 - Twenty Thousand Miners can't be Wrong\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Twenty%20Thousand%20Miners%20can't%20be%20Wrong.pdf\" }, { \"title\": \"Bulletin 11-5 - Years of Hope for a Shropshire Mine and a Young Miner, 1954 to 1962\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-5%20-%20Years%20of%20Hope%20for%20a%20Shropshire%20Mine%20and%20a%20Young%20Miner,%201954%20to%201962.pdf\" }, { \"title\": \"Bulletin 11-6 - 18th Century Visit to the Speedwell Mine at Castleton by James Plumptre\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%2018th%20Century%20Visit%20to%20the%20Speedwell%20Mine%20at%20Castleton%20by%20James%20Plumptre.pdf\" }, { \"title\": \"Bulletin 11-6 - Ancient and Post-Medieval Mining Sites in the Khetri Copper Belt and Kolar Goldfield, India\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Ancient%20and%20Post-Medieval%20Mining%20Sites%20in%20the%20Khetri%20Copper%20Belt%20and%20Kolar%20Goldfield,%20India.pdf\" }, { \"title\": \"Bulletin 11-6 - Free Men or Wage-Slaves - The Miners of the Wirksworth Area in the 1650s\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Free%20Men%20or%20Wage-Slaves%20-%20The%20Miners%20of%20the%20Wirksworth%20Area%20in%20the%201650s.pdf\" }, { \"title\": \"Bulletin 11-6 - Index to Volume 11\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Index%20to%20Volume%2011.pdf\" }, { \"title\": \"Bulletin 11-6 - Lead Smelting in Welsh Furnaces at Pontesford, Shropshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Lead%20Smelting%20in%20Welsh%20Furnaces%20at%20Pontesford,%20Shropshire.pdf\" }, { \"title\": \"Bulletin 11-6 - Letter to the Editor - Protomania\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Letter%20to%20the%20Editor%20-%20Protomania.pdf\" }, { \"title\": \"Bulletin 11-6 - Letter to the Editor - Twenty Thousand Miners can't be wrong, but Dr. Kiernan can\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Letter%20to%20the%20Editor%20-%20Twenty%20Thousand%20Miners%20can't%20be%20wrong,%20but%20Dr.%20Kiernan%20can.pdf\" }, { \"title\": \"Bulletin 11-6 - Mines and Boundary Stones at Carsington Pasture\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Mines%20and%20Boundary%20Stones%20at%20Carsington%20Pasture.pdf\" }, { \"title\": \"Bulletin 11-6 - Postscript to the Largest Blue John Vase ever Made\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20Postscript%20to%20the%20Largest%20Blue%20John%20Vase%20ever%20Made.pdf\" }, { \"title\": \"Bulletin 11-6 - The Chartermaster System of Mine Management in Shropshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20The%20Chartermaster%20System%20of%20Mine%20Management%20in%20Shropshire.pdf\" }, { \"title\": \"Bulletin 11-6 - The Early Life and geological Work of John Mawe, 1766-1829 and a Note on his Travels in Brazil\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20The%20Early%20Life%20and%20geological%20Work%20of%20John%20Mawe,%201766-1829%20and%20a%20Note%20on%20his%20Travels%20in%20Brazil.pdf\" }, { \"title\": \"Bulletin 11-6 - The Inundation of the Spitalwell Ironstone Pit, Chesterfield, on the 15th March 1864\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2011-6%20-%20The%20Inundation%20of%20the%20Spitalwell%20Ironstone%20Pit,%20Chesterfield,%20on%20the%2015th%20March%201864.pdf\" }, { \"title\": \"Bulletin 12-1 - Origin of the Peak District Orefield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-1%20-%20Origin%20of%20the%20Peak%20District%20Orefield.pdf\" }, { \"title\": \"Bulletin 12-1 - The Minerals of the Peak District of Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-1%20-%20The%20Minerals%20of%20the%20Peak%20District%20of%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 12-2 - An Agreement to Mine Copper in Jersey, Channel Islands\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20An%20Agreement%20to%20Mine%20Copper%20in%20Jersey,%20Channel%20Islands.pdf\" }, { \"title\": \"Bulletin 12-2 - Bole Hill, Sheldon - Evidence of Ironmaking\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Bole%20Hill,%20Sheldon%20-%20Evidence%20of%20Ironmaking.pdf\" }, { \"title\": \"Bulletin 12-2 - Description of a Shaft and Workings in the Garden of Mooresfold, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Description%20of%20a%20Shaft%20and%20Workings%20in%20the%20Garden%20of%20Mooresfold,%20Winster.pdf\" }, { \"title\": \"Bulletin 12-2 - Elias Pedley, a Castleton Lead Miner and his Contribution to early Geological Thought\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Elias%20Pedley,%20a%20Castleton%20Lead%20Miner%20and%20his%20Contribution%20to%20early%20Geological%20Thought.pdf\" }, { \"title\": \"Bulletin 12-2 - Lead Mines and Trials in Glen Auldyn, Isle of Man\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Lead%20Mines%20and%20Trials%20in%20Glen%20Auldyn,%20Isle%20of%20Man.pdf\" }, { \"title\": \"Bulletin 12-2 - Mining on Sark - The French Connection\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Mining%20on%20Sark%20-%20The%20French%20Connection.pdf\" }, { \"title\": \"Bulletin 12-2 - Mining Relics around Crich in the 1960s\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Mining%20Relics%20around%20Crich%20in%20the%201960s.pdf\" }, { \"title\": \"Bulletin 12-2 - Stamp Mills at the Ashanti Mine, Ghana\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Stamp%20Mills%20at%20the%20Ashanti%20Mine,%20Ghana.pdf\" }, { \"title\": \"Bulletin 12-2 - The Buildings and Equipment used at Pennerley Mine, Shropshire, in the late 19th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20The%20Buildings%20and%20Equipment%20used%20at%20Pennerley%20Mine,%20Shropshire,%20in%20the%20late%2019th%20Century.pdf\" }, { \"title\": \"Bulletin 12-2 - The Medieval Silver-Lead Miner\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20The%20Medieval%20Silver-Lead%20Miner.pdf\" }, { \"title\": \"Bulletin 12-2 - Trouble and Strife - The Wirksworth Lead Industry in the Mid-17th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-2%20-%20Trouble%20and%20Strife%20-%20The%20Wirksworth%20Lead%20Industry%20in%20the%20Mid-17th%20Century.pdf\" }, { \"title\": \"Bulletin 12-3 - 15th Century Mining as Shown in the Kuttenberger Kanzionale\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%2015th%20Century%20Mining%20as%20Shown%20in%20the%20Kuttenberger%20Kanzionale.pdf\" }, { \"title\": \"Bulletin 12-3 - An Overview of the Principles of Copper Metallurgy and Practice at Keswick 1567 to 1602\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20An%20Overview%20of%20the%20Principles%20of%20Copper%20Metallurgy%20and%20Practice%20at%20Keswick%201567%20to%201602.pdf\" }, { \"title\": \"Bulletin 12-3 - Archaeological and Circumstantial Evidence for early Mining in Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Archaeological%20and%20Circumstantial%20Evidence%20for%20early%20Mining%20in%20Wales.pdf\" }, { \"title\": \"Bulletin 12-3 - Bronze Age Mines of the Great Orme - Interim Report\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Bronze%20Age%20Mines%20of%20the%20Great%20Orme%20-%20Interim%20Report.pdf\" }, { \"title\": \"Bulletin 12-3 - Coalmills in Tyne and Wear Collieries - The Use of the Waterwheel for Mine Drainage 1600 to 1750\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Coalmills%20in%20Tyne%20and%20Wear%20Collieries%20-%20The%20Use%20of%20the%20Waterwheel%20for%20Mine%20Drainage%201600%20to%201750.pdf\" }, { \"title\": \"Bulletin 12-3 - Coniston Field Visit\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Coniston%20Field%20Visit.pdf\" }, { \"title\": \"Bulletin 12-3 - Dolaucothi Revisited\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Dolaucothi%20Revisited.pdf\" }, { \"title\": \"Bulletin 12-3 - Drawing Ancient Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Drawing%20Ancient%20Mines.pdf\" }, { \"title\": \"Bulletin 12-3 - Early Mining Leats and Ponds in Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Early%20Mining%20Leats%20and%20Ponds%20in%20Wales.pdf\" }, { \"title\": \"Bulletin 12-3 - Early Surface Features of Metal Mining - Towards a Typology\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Early%20Surface%20Features%20of%20Metal%20Mining%20-%20Towards%20a%20Typology.pdf\" }, { \"title\": \"Bulletin 12-3 - Excavating Mines, with Examples from Cwmystwyth, Chinflon and Kestel\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Excavating%20Mines,%20with%20Examples%20from%20Cwmystwyth,%20Chinflon%20and%20Kestel.pdf\" }, { \"title\": \"Bulletin 12-3 - Firesetting Technology\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Firesetting%20Technology.pdf\" }, { \"title\": \"Bulletin 12-3 - Hammer-Stones from the Copper-Mining Site at Ecton, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Hammer-Stones%20from%20the%20Copper-Mining%20Site%20at%20Ecton,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 12-3 - Lead Mining within the Royal Forest of the Peak during the 13th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Lead%20Mining%20within%20the%20Royal%20Forest%20of%20the%20Peak%20during%20the%2013th%20Century.pdf\" }, { \"title\": \"Bulletin 12-3 - Mining without Laws - Origins and Practices of the Weardale Moormasters\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Mining%20without%20Laws%20-%20Origins%20and%20Practices%20of%20the%20Weardale%20Moormasters.pdf\" }, { \"title\": \"Bulletin 12-3 - Notes on Stone Hammers\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Notes%20on%20Stone%20Hammers.pdf\" }, { \"title\": \"Bulletin 12-3 - Silver-Lead - A Restricted Resource - Technological Choice in the Devon Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Silver-Lead%20-%20A%20Restricted%20Resource%20-%20Technological%20Choice%20in%20the%20Devon%20Mines.pdf\" }, { \"title\": \"Bulletin 12-3 - Stamping and Smelting at Upper Merrivale Tin Mill - Preliminary Results 1991 to 1993\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20Stamping%20and%20Smelting%20at%20Upper%20Merrivale%20Tin%20Mill%20-%20Preliminary%20Results%201991%20to%201993.pdf\" }, { \"title\": \"Bulletin 12-3 - The Dovegang Plot - Legal and other Preliminaries to the Driving of Vermuden's Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Dovegang%20Plot%20-%20Legal%20and%20other%20Preliminaries%20to%20the%20Driving%20of%20Vermuden's%20Sough.pdf\" }, { \"title\": \"Bulletin 12-3 - The First Half Century of the Rod-Engine c1540 to c1600\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20First%20Half%20Century%20of%20the%20Rod-Engine%20c1540%20to%20c1600.pdf\" }, { \"title\": \"Bulletin 12-3 - The German Miners at Keswick and the Question of Bismuth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20German%20Miners%20at%20Keswick%20and%20the%20Question%20of%20Bismuth.pdf\" }, { \"title\": \"Bulletin 12-3 - The Hushing Leats at Cwmystwyth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Hushing%20Leats%20at%20Cwmystwyth.pdf\" }, { \"title\": \"Bulletin 12-3 - The Introduction of Powder\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Introduction%20of%20Powder.pdf\" }, { \"title\": \"Bulletin 12-3 - The Mining Laws in Flintshire and Denbighshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Mining%20Laws%20in%20Flintshire%20and%20Denbighshire.pdf\" }, { \"title\": \"Bulletin 12-3 - The Neolithic Industrial Landscape at Cissbury, Sussex\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Neolithic%20Industrial%20Landscape%20at%20Cissbury,%20Sussex.pdf\" }, { \"title\": \"Bulletin 12-3 - The Tudor Miners of Coleorton, Leicestershire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-3%20-%20The%20Tudor%20Miners%20of%20Coleorton,%20Leicestershire.pdf\" }, { \"title\": \"Bulletin 12-4 - An Eighteenth Century Red Lead Production Record\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20An%20Eighteenth%20Century%20Red%20Lead%20Production%20Record.pdf\" }, { \"title\": \"Bulletin 12-4 - More on the Ecton Hammer-Stones\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20More%20on%20the%20Ecton%20Hammer-Stones.pdf\" }, { \"title\": \"Bulletin 12-4 - Preservation of Colliery Engines and Headframes\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20Preservation%20of%20Colliery%20Engines%20and%20Headframes.pdf\" }, { \"title\": \"Bulletin 12-4 - Sir Archibald Grant of Monymusk, Bart - A Carping Maintainer and his Derbyshire Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20Sir%20Archibald%20Grant%20of%20Monymusk,%20Bart%20-%20A%20Carping%20Maintainer%20and%20his%20Derbyshire%20Mines.pdf\" }, { \"title\": \"Bulletin 12-4 - Sir Francis Then and Now\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20Sir%20Francis%20Then%20and%20Now.pdf\" }, { \"title\": \"Bulletin 12-4 - Smelting Mills in the Upper Dove Valley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20Smelting%20Mills%20in%20the%20Upper%20Dove%20Valley.pdf\" }, { \"title\": \"Bulletin 12-4 - The Early History of Stoke Sough and Magclough Sough, 1724 to 1738\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20The%20Early%20History%20of%20Stoke%20Sough%20and%20Magclough%20Sough,%201724%20to%201738.pdf\" }, { \"title\": \"Bulletin 12-4 - The Newnam Hearth Furnace\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20The%20Newnam%20Hearth%20Furnace.pdf\" }, { \"title\": \"Bulletin 12-4 - The Sand Mines of Nottingham\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20The%20Sand%20Mines%20of%20Nottingham.pdf\" }, { \"title\": \"Bulletin 12-4 - The Throstle Nest Datestone\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20The%20Throstle%20Nest%20Datestone.pdf\" }, { \"title\": \"Bulletin 12-4 - William Smiths Explanation of the Colliers Dial, 1798\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-4%20-%20William%20Smiths%20Explanation%20of%20the%20Colliers%20Dial,%201798.pdf\" }, { \"title\": \"Bulletin 12-5 - A Note on the British Society of Mining Students 1876 to 1910\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20A%20Note%20on%20the%20British%20Society%20of%20Mining%20Students%201876%20to%201910.pdf\" }, { \"title\": \"Bulletin 12-5 - A Visit to Millclose Mine in 1934\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20A%20Visit%20to%20Millclose%20Mine%20in%201934.pdf\" }, { \"title\": \"Bulletin 12-5 - Back O'the'Edge or Ritheing Lake Mine and May Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Back%20O'the'Edge%20or%20Ritheing%20Lake%20Mine%20and%20May%20Sough.pdf\" }, { \"title\": \"Bulletin 12-5 - From Lead into Gold - the Alchemist's Dream\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20From%20Lead%20into%20Gold%20-%20the%20Alchemist's%20Dream.pdf\" }, { \"title\": \"Bulletin 12-5 - Kestel Tin Mine, Turkey Interim Report 1995\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Kestel%20Tin%20Mine,%20Turkey%20Interim%20Report%201995.pdf\" }, { \"title\": \"Bulletin 12-5 - Long Rake Spar Mine, Youlgreave\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Long%20Rake%20Spar%20Mine,%20Youlgreave.pdf\" }, { \"title\": \"Bulletin 12-5 - Not-so-Old Mining History - Photographs of Long Rake Spar Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Not-so-Old%20Mining%20History%20-%20Photographs%20of%20Long%20Rake%20Spar%20Mine.pdf\" }, { \"title\": \"Bulletin 12-5 - Roads, Agricultural Features and Mines on Carsington Pasture\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Roads,%20Agricultural%20Features%20and%20Mines%20on%20Carsington%20Pasture.pdf\" }, { \"title\": \"Bulletin 12-5 - Snailbeach Mine and the Disaster of 1895\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-5%20-%20Snailbeach%20Mine%20and%20the%20Disaster%20of%201895.pdf\" }, { \"title\": \"Bulletin 12-6 - A Description of Blackwell A Winning Colliery, Alfreton, Derbyshire in 1933\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20A%20Description%20of%20Blackwell%20A%20Winning%20Colliery,%20Alfreton,%20Derbyshire%20in%201933.pdf\" }, { \"title\": \"Bulletin 12-6 - Correction\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Correction.pdf\" }, { \"title\": \"Bulletin 12-6 - Early Gold Mining in Japan - The Sado Scrolls\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Early%20Gold%20Mining%20in%20Japan%20-%20The%20Sado%20Scrolls.pdf\" }, { \"title\": \"Bulletin 12-6 - Greensward Mines and Its Pumps, Monyash, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Greensward%20Mines%20and%20Its%20Pumps,%20Monyash,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 12-6 - Index - Volume 12\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Index%20-%20Volume%2012.pdf\" }, { \"title\": \"Bulletin 12-6 - Letter - History Repeats Itself\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Letter%20-%20History%20Repeats%20Itself.pdf\" }, { \"title\": \"Bulletin 12-6 - Letter - Roman Lead Smelting\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Letter%20-%20Roman%20Lead%20Smelting.pdf\" }, { \"title\": \"Bulletin 12-6 - The Ashford Marble Works and Cavendish Patronage 1748 to 1905\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20The%20Ashford%20Marble%20Works%20and%20Cavendish%20Patronage%201748%20to%201905.pdf\" }, { \"title\": \"Bulletin 12-6 - The Underground Limestone Workings at Ironbridge, Shropshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20The%20Underground%20Limestone%20Workings%20at%20Ironbridge,%20Shropshire.pdf\" }, { \"title\": \"Bulletin 12-6 - Winster and the Mill Close Strikes 1917 to 1919\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2012-6%20-%20Winster%20and%20the%20Mill%20Close%20Strikes%201917%20to%201919.pdf\" }, { \"title\": \"Bulletin 13-1 - A Cast Iron Hand Pump in Winster Sough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20A%20Cast%20Iron%20Hand%20Pump%20in%20Winster%20Sough.pdf\" }, { \"title\": \"Bulletin 13-1 - An Ashover Lead Mining Tithe Dispute in the 17th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20An%20Ashover%20Lead%20Mining%20Tithe%20Dispute%20in%20the%2017th%20Century.pdf\" }, { \"title\": \"Bulletin 13-1 - John Gell and the Miners - Legal Struggles over Tithes of Lead Ore in Early 17th Century Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20John%20Gell%20and%20the%20Miners%20-%20Legal%20Struggles%20over%20Tithes%20of%20Lead%20Ore%20in%20Early%2017th%20Century%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-1 - Letter to the Editor - B Winning Coke Ovens\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20Letter%20to%20the%20Editor%20-%20B%20Winning%20Coke%20Ovens.pdf\" }, { \"title\": \"Bulletin 13-1 - Millclose Mine Strikes - A Postscript\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20Millclose%20Mine%20Strikes%20-%20A%20Postscript.pdf\" }, { \"title\": \"Bulletin 13-1 - Modern Stone Tools\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20Modern%20Stone%20Tools.pdf\" }, { \"title\": \"Bulletin 13-1 - One Fourth the Whole of Virginia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20One%20Fourth%20the%20Whole%20of%20Virginia.pdf\" }, { \"title\": \"Bulletin 13-1 - Pleasley Pit 1871 to 1983 - Coal Field and Heritage Regeneration Project\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20Pleasley%20Pit%201871%20to%201983%20-%20Coal%20Field%20and%20Heritage%20Regeneration%20Project.pdf\" }, { \"title\": \"Bulletin 13-1 - The History, Productivity and Mineralogy of Snelston Mine, Ashbourne, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20The%20History,%20Productivity%20and%20Mineralogy%20of%20Snelston%20Mine,%20Ashbourne,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-1 - The Lea Lead Smelter in 1936\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20The%20Lea%20Lead%20Smelter%20in%201936.pdf\" }, { \"title\": \"Bulletin 13-1 - The Oldest Artefact of Lead in the Peak - New Evidence from Mam Tor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20The%20Oldest%20Artefact%20of%20Lead%20in%20the%20Peak%20-%20New%20Evidence%20from%20Mam%20Tor.pdf\" }, { \"title\": \"Bulletin 13-1 - The Pithead Baths at Kemberton Colliery\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20The%20Pithead%20Baths%20at%20Kemberton%20Colliery.pdf\" }, { \"title\": \"Bulletin 13-1 - The Use of Firesetting in the Granite Quarries of South India\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-1%20-%20The%20Use%20of%20Firesetting%20in%20the%20Granite%20Quarries%20of%20South%20India.pdf\" }, { \"title\": \"Bulletin 13-2 - An Analysis of the Processes for Smelting Tin\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20An%20Analysis%20of%20the%20Processes%20for%20Smelting%20Tin.pdf\" }, { \"title\": \"Bulletin 13-2 - Ancient Mining on Mendip, Somerset - A Preliminary Report on Recent Work\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Ancient%20Mining%20on%20Mendip,%20Somerset%20-%20A%20Preliminary%20Report%20on%20Recent%20Work.pdf\" }, { \"title\": \"Bulletin 13-2 - A Survey of Engine Houses on the Mines of South Devon\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20A%20Survey%20of%20Engine%20Houses%20on%20the%20Mines%20of%20South%20Devon.pdf\" }, { \"title\": \"Bulletin 13-2 - Digging Back in Time - An Adit Clearance Project at Polgooth, Cornwall\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Digging%20Back%20in%20Time%20-%20An%20Adit%20Clearance%20Project%20at%20Polgooth,%20Cornwall.pdf\" }, { \"title\": \"Bulletin 13-2 - Engine Houses in South-West England\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Engine%20Houses%20in%20South-West%20England.pdf\" }, { \"title\": \"Bulletin 13-2 - Investigation and Management of Industrial Sites within Exmoor National Park\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Investigation%20and%20Management%20of%20Industrial%20Sites%20within%20Exmoor%20National%20Park.pdf\" }, { \"title\": \"Bulletin 13-2 - Iron Ropes for the Cornish Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Iron%20Ropes%20for%20the%20Cornish%20Mines.pdf\" }, { \"title\": \"Bulletin 13-2 - Ironworking in the Blackdown Hills - Results of Recent Survey\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Ironworking%20in%20the%20Blackdown%20Hills%20-%20Results%20of%20Recent%20Survey.pdf\" }, { \"title\": \"Bulletin 13-2 - Kelly Mine - The First Ten Years\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Kelly%20Mine%20-%20The%20First%20Ten%20Years.pdf\" }, { \"title\": \"Bulletin 13-2 - Mapping the Mines and Streamworks of Bodmin Moor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Mapping%20the%20Mines%20and%20Streamworks%20of%20Bodmin%20Moor.pdf\" }, { \"title\": \"Bulletin 13-2 - Quarr Houses on the Isle of Purbeck, Dorset\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Quarr%20Houses%20on%20the%20Isle%20of%20Purbeck,%20Dorset.pdf\" }, { \"title\": \"Bulletin 13-2 - Recording he Tinworks of Dartmoor Forest\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Recording%20he%20Tinworks%20of%20Dartmoor%20Forest.pdf\" }, { \"title\": \"Bulletin 13-2 - Recording the Iron Mines of Exmoor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Recording%20the%20Iron%20Mines%20of%20Exmoor.pdf\" }, { \"title\": \"Bulletin 13-2 - Safety, Presentation and Management of Disused Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Safety,%20Presentation%20and%20Management%20of%20Disused%20Mines.pdf\" }, { \"title\": \"Bulletin 13-2 - The Beginnings of Metallurgy in South-West Britain - Hypotheses and Evidence\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Beginnings%20of%20Metallurgy%20in%20South-West%20Britain%20-%20Hypotheses%20and%20Evidence.pdf\" }, { \"title\": \"Bulletin 13-2 - The Collieries of North Somerset\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Collieries%20of%20North%20Somerset.pdf\" }, { \"title\": \"Bulletin 13-2 - The Conservation and Management of the Industrial Landscape within Dartmoor National Park\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Conservation%20and%20Management%20of%20the%20Industrial%20Landscape%20within%20Dartmoor%20National%20Park.pdf\" }, { \"title\": \"Bulletin 13-2 - The Copper Slag Blocks of Hayle, Cornwall - Remains of the late 18th Century Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Copper%20Slag%20Blocks%20of%20Hayle,%20Cornwall%20-%20Remains%20of%20the%20late%2018th%20Century%20Industry.pdf\" }, { \"title\": \"Bulletin 13-2 - The De Lank Granite Quarry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20De%20Lank%20Granite%20Quarry.pdf\" }, { \"title\": \"Bulletin 13-2 - The Early South-Western Tin Industry - An Archaeological View\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Early%20South-Western%20Tin%20Industry%20-%20An%20Archaeological%20View.pdf\" }, { \"title\": \"Bulletin 13-2 - The Lumburn Leat - Evidence for New Pumping Technology at Bere Ferrers in the 15th Century\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Lumburn%20Leat%20-%20Evidence%20for%20New%20Pumping%20Technology%20at%20Bere%20Ferrers%20in%20the%2015th%20Century.pdf\" }, { \"title\": \"Bulletin 13-2 - The Quarried Face - Evidence from Dorset's Cliffstone Quarries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20The%20Quarried%20Face%20-%20Evidence%20from%20Dorset's%20Cliffstone%20Quarries.pdf\" }, { \"title\": \"Bulletin 13-2 - Tin Ingots from Bigbury Bay, South Devon\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Tin%20Ingots%20from%20Bigbury%20Bay,%20South%20Devon.pdf\" }, { \"title\": \"Bulletin 13-2 - Tin Smelting in Devon in the 18th and 19th Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-2%20-%20Tin%20Smelting%20in%20Devon%20in%20the%2018th%20and%2019th%20Centuries.pdf\" }, { \"title\": \"Bulletin 13-3 - Low Technology Zinc Mining in the South West of China\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Low%20Technology%20Zinc%20Mining%20in%20the%20South%20West%20of%20China.pdf\" }, { \"title\": \"Bulletin 13-3 - Michael Eric Smith (1941-1996) Reminiscences of a Friendship\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Michael%20Eric%20Smith%20(1941-1996)%20Reminiscences%20of%20a%20Friendship.pdf\" }, { \"title\": \"Bulletin 13-3 - Mystery Photograph\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Mystery%20Photograph.pdf\" }, { \"title\": \"Bulletin 13-3 - Pyrite Mining and Sulphur Production at Xingwen, China\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Pyrite%20Mining%20and%20Sulphur%20Production%20at%20Xingwen,%20China.pdf\" }, { \"title\": \"Bulletin 13-3 - Roman Mining at Rio Tinto, Huelva, Spain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Roman%20Mining%20at%20Rio%20Tinto,%20Huelva,%20Spain.pdf\" }, { \"title\": \"Bulletin 13-3 - Sir John Gell and the Derbyshire Lead Industry during the Civil War\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Sir%20John%20Gell%20and%20the%20Derbyshire%20Lead%20Industry%20during%20the%20Civil%20War.pdf\" }, { \"title\": \"Bulletin 13-3 - Suface Remains of the New Venture Lead Mine, Bradwell Moor, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20Suface%20Remains%20of%20the%20New%20Venture%20Lead%20Mine,%20Bradwell%20Moor,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-3 - The Connection of James Hall's Over Engine Mine to Peak and Speedwell Caverns\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20The%20Connection%20of%20James%20Hall's%20Over%20Engine%20Mine%20to%20Peak%20and%20Speedwell%20Caverns.pdf\" }, { \"title\": \"Bulletin 13-3 - The Origins of the Peak District Mines Historical Society. Michael Eric Smith (1941-1996)\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20The%20Origins%20of%20the%20Peak%20District%20Mines%20Historical%20Society.%20Michael%20Eric%20Smith%20(1941-1996).pdf\" }, { \"title\": \"Bulletin 13-3 - The Search for the Coalbrookdale Coalfield's last Horse Gin \", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-3%20-%20The%20Search%20for%20the%20Coalbrookdale%20Coalfield's%20last%20Horse%20Gin%20.pdf\" }, { \"title\": \"Bulletin 13-4 - Derbyshire and Nottinghamshire Pits in 1842\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Derbyshire%20and%20Nottinghamshire%20Pits%20in%201842.pdf\" }, { \"title\": \"Bulletin 13-4 - Early Use of Gunpowder in the Peak District - Stone Quarry Mine and Dutchman Level, Ecton, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Early%20Use%20of%20%20Gunpowder%20in%20the%20Peak%20District%20-%20Stone%20Quarry%20Mine%20and%20Dutchman%20Level,%20Ecton,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 13-4 - Ironstone Mining in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Ironstone%20Mining%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-4 - Letter to the Editor - Mystery Photograph\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Letter%20to%20the%20Editor%20-%20Mystery%20Photograph.pdf\" }, { \"title\": \"Bulletin 13-4 - Mine Drainage and Water Resources\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Mine%20Drainage%20and%20Water%20Resources.pdf\" }, { \"title\": \"Bulletin 13-4 - Pre-European Gold Mining at Ashanti, Ghana\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Pre-European%20Gold%20Mining%20at%20Ashanti,%20Ghana.pdf\" }, { \"title\": \"Bulletin 13-4 - Relief Carvings of Hallein in the Carolino Augusteum Museum at Salzburg, Austria\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Relief%20Carvings%20of%20Hallein%20in%20the%20Carolino%20Augusteum%20Museum%20at%20Salzburg,%20Austria.pdf\" }, { \"title\": \"Bulletin 13-4 - Surface Remains of the New Venture Lead Mine, Bradwell Moor, Derbyshire - Part 2\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Surface%20Remains%20of%20the%20New%20Venture%20Lead%20Mine,%20Bradwell%20Moor,%20Derbyshire%20-%20Part%202.pdf\" }, { \"title\": \"Bulletin 13-4 - Underground Canals in Shropshire Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-4%20-%20Underground%20Canals%20in%20Shropshire%20Mines.pdf\" }, { \"title\": \"Bulletin 13-5 - A Survey of Surface Features at Fool's Venture Mine, Bonsall Leys, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20A%20Survey%20of%20Surface%20Features%20at%20Fool's%20Venture%20Mine,%20Bonsall%20Leys,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-5 - Hard Times - A History of the Derbyshire Chert Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Hard%20Times%20-%20A%20History%20of%20the%20Derbyshire%20Chert%20Industry.pdf\" }, { \"title\": \"Bulletin 13-5 - Ironstone Working in the Coalbrookdale Coalfield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Ironstone%20Working%20in%20the%20Coalbrookdale%20Coalfield.pdf\" }, { \"title\": \"Bulletin 13-5 - Letter to the Editor - Ashanti Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Letter%20to%20the%20Editor%20-%20Ashanti%20Mining.pdf\" }, { \"title\": \"Bulletin 13-5 - Observations on Ironstone Mining in Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Observations%20on%20Ironstone%20Mining%20in%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-5 - Prehistoric Mining at Ecton, Staffordshire - A Dated Antler Tool and its Context\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Prehistoric%20Mining%20at%20Ecton,%20Staffordshire%20-%20A%20Dated%20%20Antler%20Tool%20and%20its%20Context.pdf\" }, { \"title\": \"Bulletin 13-5 - Research and Excavation at a Tin Stamping Site, Cupboard Hill, United Downs, Cornwall\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20Research%20and%20Excavation%20at%20a%20Tin%20Stamping%20Site,%20Cupboard%20Hill,%20United%20Downs,%20Cornwall.pdf\" }, { \"title\": \"Bulletin 13-5 - The Upper Nestus Pipes - An Ancient Lead Mine in the Peak District of Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-5%20-%20The%20Upper%20Nestus%20Pipes%20-%20An%20Ancient%20Lead%20Mine%20in%20the%20Peak%20District%20of%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-6 - A Brief Guide to Flotation Technology\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20A%20Brief%20Guide%20to%20Flotation%20Technology.pdf\" }, { \"title\": \"Bulletin 13-6 - Aspects of the late 17th Century Lead Industry in Wirksworth, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Aspects%20of%20the%20late%2017th%20Century%20Lead%20Industry%20in%20Wirksworth,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 13-6 - Early Gold Mining in Japan - More Sado Scrolls\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Early%20Gold%20Mining%20in%20Japan%20-%20More%20Sado%20Scrolls.pdf\" }, { \"title\": \"Bulletin 13-6 - Early Gunpowder Work in Longe or Cromford Sough, Derbyshire, 1662 - 1663 and 1676 - 1680\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Early%20Gunpowder%20Work%20in%20Longe%20or%20Cromford%20Sough,%20Derbyshire,%201662%20-%201663%20and%201676%20-%201680.pdf\" }, { \"title\": \"Bulletin 13-6 - Ford Mine, near Grindon, North Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Ford%20Mine,%20near%20Grindon,%20North%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 13-6 - Index to Volume 13\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Index%20to%20Volume%2013.pdf\" }, { \"title\": \"Bulletin 13-6 - James Watt's Steam Engines for the Leadhills Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20James%20Watt's%20Steam%20Engines%20for%20the%20Leadhills%20Mines.pdf\" }, { \"title\": \"Bulletin 13-6 - Notes on a Spanish Mining Museum at La Union\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Notes%20on%20a%20Spanish%20Mining%20Museum%20at%20La%20Union.pdf\" }, { \"title\": \"Bulletin 13-6 - Oil and Mining Museums in Texas\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Oil%20and%20Mining%20Museums%20in%20Texas.pdf\" }, { \"title\": \"Bulletin 13-6 - Ore Dressing in the Manifold Valley, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Ore%20Dressing%20in%20the%20Manifold%20Valley,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 13-6 - Primitive Mining Tools from Temberlini, near Syama, Mali, West Africa\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Primitive%20Mining%20Tools%20from%20Temberlini,%20near%20Syama,%20Mali,%20West%20Africa.pdf\" }, { \"title\": \"Bulletin 13-6 - Surface Remains of the New Venture Lead Mine, Bradwell Moor, Derbyshire - Part 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Surface%20Remains%20of%20the%20New%20Venture%20Lead%20Mine,%20Bradwell%20Moor,%20Derbyshire%20-%20Part%203.pdf\" }, { \"title\": \"Bulletin 13-6 - Washing Floors at Winster Pitts, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2013-6%20-%20Washing%20Floors%20at%20Winster%20Pitts,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 14-1 - The Dudley Limestone Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-1%20-%20The%20Dudley%20Limestone%20Mines.pdf\" }, { \"title\": \"Bulletin 14-2 - 20th Century Lead Mining - Mill Close Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%2020th%20Century%20Lead%20Mining%20-%20Mill%20Close%20Mine.pdf\" }, { \"title\": \"Bulletin 14-2 - Davis Derby - A History of Engineering\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Davis%20Derby%20-%20A%20History%20of%20Engineering.pdf\" }, { \"title\": \"Bulletin 14-2 - Derbyshire Lead Mining in the 18th and 19th Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Derbyshire%20Lead%20Mining%20in%20the%2018th%20and%2019th%20Centuries.pdf\" }, { \"title\": \"Bulletin 14-2 - Horsebuttock, Shack, Little, Drake and Pitts Mines, Winster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Horsebuttock,%20Shack,%20Little,%20Drake%20and%20Pitts%20Mines,%20Winster.pdf\" }, { \"title\": \"Bulletin 14-2 - Jack Beck and Masson Hill - Tribute to a Man and a Mountain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Jack%20Beck%20and%20Masson%20Hill%20-%20Tribute%20to%20a%20Man%20and%20a%20Mountain.pdf\" }, { \"title\": \"Bulletin 14-2 - Letter to the Editor - A Fair Swop\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Letter%20to%20the%20Editor%20-%20A%20Fair%20Swop.pdf\" }, { \"title\": \"Bulletin 14-2 - Letter to the Editor - Mining and Farming Terms\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Letter%20to%20the%20Editor%20-%20Mining%20and%20Farming%20Terms.pdf\" }, { \"title\": \"Bulletin 14-2 - Mining Scenes Engraved on a Glass Vase\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Mining%20Scenes%20Engraved%20on%20a%20Glass%20Vase.pdf\" }, { \"title\": \"Bulletin 14-2 - Prehistoric and Roman Mining in the Peak District - Present Knowledge and Future Research\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Prehistoric%20and%20Roman%20Mining%20in%20the%20Peak%20District%20-%20Present%20Knowledge%20and%20Future%20Research.pdf\" }, { \"title\": \"Bulletin 14-2 - Stone Hammers from the Ecton Mines in the Bateman Collection, Sheffield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Stone%20Hammers%20from%20the%20Ecton%20Mines%20in%20the%20Bateman%20Collection,%20Sheffield.pdf\" }, { \"title\": \"Bulletin 14-2 - T'Owd Mon wor from Bonser - The Origins of the Medieval Miner's Effergy in Wirksworth Church\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20T'Owd%20Mon%20wor%20from%20Bonser%20-%20The%20Origins%20of%20the%20Medieval%20Miner's%20Effergy%20in%20Wirksworth%20Church.pdf\" }, { \"title\": \"Bulletin 14-2 - The Later Gells and the Decline of the Lead Trade\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20The%20Later%20Gells%20and%20the%20Decline%20of%20the%20Lead%20Trade.pdf\" }, { \"title\": \"Bulletin 14-2 - The Newgate Prison and Simsbury Copper Mine, East Granby, Connecticut\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20The%20Newgate%20Prison%20and%20Simsbury%20Copper%20Mine,%20East%20Granby,%20Connecticut.pdf\" }, { \"title\": \"Bulletin 14-2 - Tunnel Lining at Rio Tinto - Methods used at Las Minas de Rio Tinto, in Spain, 1954\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Tunnel%20Lining%20at%20Rio%20Tinto%20-%20Methods%20used%20at%20Las%20Minas%20de%20Rio%20Tinto,%20in%20Spain,%201954.pdf\" }, { \"title\": \"Bulletin 14-2 - Walter Sylvestor - Potteries Inventer and His Famous Invention - The Sylvester\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-2%20-%20Walter%20Sylvestor%20-%20Potteries%20Inventer%20and%20His%20Famous%20Invention%20-%20The%20Sylvester.pdf\" }, { \"title\": \"Bulletin 14-3 - Old Mill Close Mine, Wensley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-3%20-%20Old%20Mill%20Close%20Mine,%20Wensley.pdf\" }, { \"title\": \"Bulletin 14-4 - An Example of Fire Setting in West Africa\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20An%20Example%20of%20Fire%20Setting%20in%20West%20Africa.pdf\" }, { \"title\": \"Bulletin 14-4 - Beach Slags of the North Wales Coast\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Beach%20Slags%20of%20the%20North%20Wales%20Coast.pdf\" }, { \"title\": \"Bulletin 14-4 - Geology of Ecton and other North-East Staffordshire Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Geology%20of%20Ecton%20and%20other%20North-East%20Staffordshire%20Mines.pdf\" }, { \"title\": \"Bulletin 14-4 - Letter to the Editor - Glass Vase\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Letter%20to%20the%20Editor%20-%20Glass%20Vase.pdf\" }, { \"title\": \"Bulletin 14-4 - Letter to the Editor - Walter Sylvester\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Letter%20to%20the%20Editor%20-%20Walter%20Sylvester.pdf\" }, { \"title\": \"Bulletin 14-4 - Mount Wellington Mine, Gwennap, Cornwall\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Mount%20Wellington%20Mine,%20Gwennap,%20Cornwall.pdf\" }, { \"title\": \"Bulletin 14-4 - Review - Exploration for Metalliferous and Related Minerals in Britain - A Guide\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20Review%20-%20Exploration%20for%20Metalliferous%20and%20Related%20Minerals%20in%20Britain%20-%20A%20Guide.pdf\" }, { \"title\": \"Bulletin 14-4 - The Imperial Spanish Silver Mines of Potosi, Bolivia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20The%20Imperial%20Spanish%20Silver%20Mines%20of%20Potosi,%20Bolivia.pdf\" }, { \"title\": \"Bulletin 14-4 - The Last of the Walking Draglines, the Largest Mobile Land Machines in the UK\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-4%20-%20The%20Last%20of%20the%20Walking%20Draglines,%20the%20Largest%20Mobile%20Land%20Machines%20in%20the%20UK.pdf\" }, { \"title\": \"Bulletin 14-5 - A History and Gazetteer of the Mines in the Liberty of Peak Forest, Derbyshire - 1605 to 1878\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20A%20History%20and%20Gazetteer%20of%20the%20Mines%20in%20the%20Liberty%20of%20Peak%20Forest,%20Derbyshire%20-%201605%20to%201878.pdf\" }, { \"title\": \"Bulletin 14-5 - Derbyshire Wad and Umber\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20Derbyshire%20Wad%20and%20Umber.pdf\" }, { \"title\": \"Bulletin 14-5 - Farmers versus Miners - A Case of Pollution\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20Farmers%20versus%20Miners%20-%20A%20Case%20of%20Pollution.pdf\" }, { \"title\": \"Bulletin 14-5 - Mining History Notes - Devonshire Cavern and Old Ash Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20Mining%20History%20Notes%20-%20Devonshire%20Cavern%20and%20Old%20Ash%20Mine.pdf\" }, { \"title\": \"Bulletin 14-5 - Review - Worth a Thousand Words - Mining Picture Books\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20Review%20-%20Worth%20a%20Thousand%20Words%20-%20Mining%20Picture%20Books.pdf\" }, { \"title\": \"Bulletin 14-5 - The Origins and Development of the British Coprolite Industry\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20The%20Origins%20and%20Development%20of%20the%20British%20Coprolite%20Industry.pdf\" }, { \"title\": \"Bulletin 14-5 - Tramways and Locomotves at 20th Century Mines in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-5%20-%20Tramways%20and%20Locomotves%20at%2020th%20Century%20Mines%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 14-6 - How Old is the Owld Man - Discovering Ancient Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20How%20Old%20is%20the%20Owld%20Man%20-%20Discovering%20Ancient%20Mines.pdf\" }, { \"title\": \"Bulletin 14-6 - Index to Volume 14\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Index%20to%20Volume%2014.pdf\" }, { \"title\": \"Bulletin 14-6 - Mining History and the Internet\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Mining%20History%20and%20the%20Internet.pdf\" }, { \"title\": \"Bulletin 14-6 - Nature Conservation and Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Nature%20Conservation%20and%20Mines.pdf\" }, { \"title\": \"Bulletin 14-6 - Review - Angerstein's Travel Diary, by Torsten and Peter Berg\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Review%20-%20Angerstein's%20Travel%20Diary,%20by%20Torsten%20and%20Peter%20Berg.pdf\" }, { \"title\": \"Bulletin 14-6 - Roman Mining Law\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Roman%20Mining%20Law.pdf\" }, { \"title\": \"Bulletin 14-6 - Surface Remains of the Pindale Area, Castleton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Surface%20Remains%20of%20the%20Pindale%20Area,%20Castleton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 14-6 - Swearing-In of a New Barmaster\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Swearing-In%20of%20a%20New%20Barmaster.pdf\" }, { \"title\": \"Bulletin 14-6 - The Geology of the Matlock Mines - A Review\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20The%20Geology%20of%20the%20Matlock%20Mines%20-%20A%20Review.pdf\" }, { \"title\": \"Bulletin 14-6 - The Mining Laws in North Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20The%20Mining%20Laws%20in%20North%20Wales.pdf\" }, { \"title\": \"Bulletin 14-6 - Thomas Sopwith and the Forest of Dean, 1832 to 1841\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Thomas%20Sopwith%20and%20the%20Forest%20of%20Dean,%201832%20to%201841.pdf\" }, { \"title\": \"Bulletin 14-6 - Working at New Dunn Mine in the Forest of Dean in the 1940s\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2014-6%20-%20Working%20at%20New%20Dunn%20Mine%20in%20the%20Forest%20of%20Dean%20in%20the%201940s.pdf\" }, { \"title\": \"Bulletin 15-1 - Arbor Low Calcite Mine, Youlgreave, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Arbor%20Low%20Calcite%20Mine,%20Youlgreave,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 15-1 - Calcite Mining in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Calcite%20Mining%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 15-1 - Lead Veins within the Coal Mines around Whaley Bridge\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Lead%20Veins%20within%20the%20Coal%20Mines%20around%20Whaley%20Bridge.pdf\" }, { \"title\": \"Bulletin 15-1 - Millclose Mine at Cowley Knoll, Wensley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20%20Millclose%20Mine%20at%20Cowley%20Knoll,%20Wensley.pdf\" }, { \"title\": \"Bulletin 15-1 - Some Notes on Peat Working and Turbury Rights\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Some%20Notes%20on%20Peat%20Working%20and%20Turbury%20Rights.pdf\" }, { \"title\": \"Bulletin 15-1 - Stone Mining Hammers from Pre-Hispanic Mesoamerica\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Stone%20Mining%20Hammers%20from%20Pre-Hispanic%20Mesoamerica.pdf\" }, { \"title\": \"Bulletin 15-1 - Surface Remains of the Castleton and Peak Forest Area\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20Surface%20Remains%20of%20the%20Castleton%20and%20Peak%20Forest%20Area.pdf\" }, { \"title\": \"Bulletin 15-1 - The Development of Deep Ecton Mine, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20The%20Development%20of%20Deep%20Ecton%20Mine,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 15-1 - The Mow Cop Tunnel and Tramways\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20The%20Mow%20Cop%20Tunnel%20and%20Tramways.pdf\" }, { \"title\": \"Bulletin 15-1 - The Wedge-Effect in Firesetting of a Sarsen Stone\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-1%20-%20The%20Wedge-Effect%20in%20Firesetting%20of%20a%20Sarsen%20Stone.pdf\" }, { \"title\": \"Bulletin 15-2 - How Grove Excavation Report\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-2%20-%20How%20Grove%20Excavation%20Report.pdf\" }, { \"title\": \"Bulletin 15-3 - A Journey to the Kennecott Copper Mine, Alaska\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20A%20Journey%20to%20the%20Kennecott%20Copper%20Mine,%20Alaska.pdf\" }, { \"title\": \"Bulletin 15-3 - An Attempt in 1935-7 to Rework Coalpithole Mine, Peak Forest, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20An%20Attempt%20in%201935-7%20to%20Rework%20Coalpithole%20Mine,%20Peak%20Forest,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 15-3 - Errata - How Grove\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20Errata%20-%20How%20Grove.pdf\" }, { \"title\": \"Bulletin 15-3 - Iron Mining in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20Iron%20Mining%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 15-3 - Letter to the Editor - Potosi Revisited\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20Letter%20to%20the%20Editor%20-%20Potosi%20Revisited.pdf\" }, { \"title\": \"Bulletin 15-3 - Postscript - Calcite Mining in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20Postscript%20-%20Calcite%20Mining%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 15-3 - The Diary of John Wesley Harvey, Manager of the Whaley Bridge Colliery , Derbyshire, 1898 to 1899\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20The%20Diary%20of%20John%20Wesley%20Harvey,%20Manager%20of%20the%20Whaley%20Bridge%20Colliery%20,%20Derbyshire,%201898%20to%201899.pdf\" }, { \"title\": \"Bulletin 15-3 - The Lower Nestus Pipe Re-Entered\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20The%20Lower%20Nestus%20Pipe%20Re-Entered.pdf\" }, { \"title\": \"Bulletin 15-3 - The Maury and Burfoot Mines, Taddington and Brushfield, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20The%20Maury%20and%20Burfoot%20Mines,%20Taddington%20and%20Brushfield,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 15-3 - The Miners' Tale - Golconda (Derbyshire) 1916 to 1957\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-3%20-%20The%20Miners'%20Tale%20-%20Golconda%20(Derbyshire)%201916%20to%201957.pdf\" }, { \"title\": \"Bulletin 15-4&5 - 16th Century Water Power in the Gastein District of the Austrian Alps\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%2016th%20Century%20Water%20Power%20in%20the%20Gastein%20District%20of%20the%20Austrian%20Alps.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Cobden and Bright at Dylife\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Cobden%20and%20Bright%20at%20Dylife.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Conclusions - Over Two Thousand Years of Water Power\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Conclusions%20-%20Over%20Two%20Thousand%20Years%20of%20Water%20Power.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Cwm Dyfor Copper Mine. The Collection of Water\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Cwm%20Dyfor%20Copper%20Mine.%20The%20Collection%20of%20Water.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Early Leats and Hushing Remains - Suggestions and Disputes of Roman Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Early%20Leats%20and%20Hushing%20Remains%20-%20Suggestions%20and%20Disputes%20of%20Roman%20Mining.pdf\" }, { \"title\": \"Bulletin 15-4&5 - History of Utilization of Water Power in the Mines of Freiberg, Saxony\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20History%20of%20Utilization%20of%20Water%20Power%20in%20the%20Mines%20of%20Freiberg,%20Saxony.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Hydraulic Mining from California to British Columbia the Long Way\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Hydraulic%20Mining%20from%20California%20to%20British%20Columbia%20the%20Long%20Way.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Mining Waterpower Leats in Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Mining%20Waterpower%20Leats%20in%20Wales.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Pliny's Arrugia - Water Power in Roman Gold-Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Pliny's%20Arrugia%20-%20Water%20Power%20in%20Roman%20Gold-Mining.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Sir Francis Level - Driven by Water\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Sir%20Francis%20Level%20-%20Driven%20by%20Water.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Some Minor Uses of Water Power in Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Some%20Minor%20Uses%20of%20Water%20Power%20in%20Mining.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Streaming and Hushing for Scottish Gold - The Archaeology of Early Gold Working\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Streaming%20and%20Hushing%20for%20Scottish%20Gold%20-%20The%20Archaeology%20of%20Early%20Gold%20Working.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Swaledale's Hydraulic Engines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Swaledale's%20Hydraulic%20Engines.pdf\" }, { \"title\": \"Bulletin 15-4&5 - The Myers Head Water Wheel System\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20The%20Myers%20Head%20Water%20Wheel%20System.pdf\" }, { \"title\": \"Bulletin 15-4&5 - The Tangential Impulse Water Wheel in California Gold Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20The%20Tangential%20Impulse%20Water%20Wheel%20in%20California%20Gold%20Mining.pdf\" }, { \"title\": \"Bulletin 15-4&5 - The Use of Water Power at Brewery Shaft, Nenthead\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20The%20Use%20of%20Water%20Power%20at%20Brewery%20Shaft,%20Nenthead.pdf\" }, { \"title\": \"Bulletin 15-4&5 - The Water Resources on Grassington Moor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20The%20Water%20Resources%20on%20Grassington%20Moor.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Underground Power Generation at the Comstock Lode and the Sutro Tunnel, Nevada\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Underground%20Power%20Generation%20at%20the%20Comstock%20Lode%20and%20the%20Sutro%20Tunnel,%20Nevada.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Water Power in Peak District Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Water%20Power%20in%20Peak%20District%20Mining.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Water Power in the Slate Mines of East Festiniog\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Water%20Power%20in%20the%20Slate%20Mines%20of%20East%20Festiniog.pdf\" }, { \"title\": \"Bulletin 15-4&5 - Whither Water Power - A Direction for the Future, Based on the Past\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-4&5%20-%20Whither%20Water%20Power%20-%20A%20Direction%20for%20the%20Future,%20Based%20on%20the%20Past.pdf\" }, { \"title\": \"Bulletin 15-6 - Astbury Hydraulic Lime Works, Newbold, Cheshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Astbury%20Hydraulic%20Lime%20Works,%20Newbold,%20Cheshire.pdf\" }, { \"title\": \"Bulletin 15-6 - Geology of the Lead Mines around the Stanton Syncline\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Geology%20of%20the%20Lead%20Mines%20around%20the%20Stanton%20Syncline.pdf\" }, { \"title\": \"Bulletin 15-6 - Index to Volume 15\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Index%20to%20Volume%2015.pdf\" }, { \"title\": \"Bulletin 15-6 - Lead and Calcite Workings near Chelmorton, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Lead%20and%20Calcite%20Workings%20near%20Chelmorton,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 15-6 - Rio Tinto Revisited\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Rio%20Tinto%20Revisited.pdf\" }, { \"title\": \"Bulletin 15-6 - The Schlackenwald, Bohemia, Mining Law of 1548\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20The%20Schlackenwald,%20Bohemia,%20Mining%20Law%20of%201548.pdf\" }, { \"title\": \"Bulletin 15-6 - The Silver Rig, Pibble and Woodhead Mines, Galloway, Scotland\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20The%20Silver%20Rig,%20Pibble%20and%20Woodhead%20Mines,%20Galloway,%20Scotland.pdf\" }, { \"title\": \"Bulletin 15-6 - Women and the Lead Trade in Wirksworth, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2015-6%20-%20Women%20and%20the%20Lead%20Trade%20in%20Wirksworth,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 16-1 - Mines, Quarries and Murders\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-1%20-%20Mines,%20Quarries%20and%20Murders.pdf\" }, { \"title\": \"Bulletin 16-2 - Geology of the Wirksworth Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-2%20-%20Geology%20of%20the%20Wirksworth%20Mines.pdf\" }, { \"title\": \"Bulletin 16-3 - Using Coal to Mine Lead - Firesetting at Peak District Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-3%20-%20Using%20Coal%20to%20Mine%20Lead%20-%20Firesetting%20at%20Peak%20District%20Mines.pdf\" }, { \"title\": \"Bulletin 16-4 - Barytes Mills at Shallcross, Cadster and Barmoor Clough\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Barytes%20Mills%20at%20Shallcross,%20Cadster%20and%20Barmoor%20Clough.pdf\" }, { \"title\": \"Bulletin 16-4 - Coal Mine Soughs of the Rivers Goyt and Sett\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Coal%20Mine%20Soughs%20of%20the%20Rivers%20Goyt%20and%20Sett.pdf\" }, { \"title\": \"Bulletin 16-4 - Coal Mining around Chapel-en-le-Frith\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Coal%20Mining%20around%20Chapel-en-le-Frith.pdf\" }, { \"title\": \"Bulletin 16-4 - Force Crag Mine Mill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Force%20Crag%20Mine%20Mill.pdf\" }, { \"title\": \"Bulletin 16-4 - Forest of Dean Coal Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Forest%20of%20Dean%20Coal%20Mining.pdf\" }, { \"title\": \"Bulletin 16-4 - Ralph Greatorex - A Forgotten Scientist and Mining Engineer\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Ralph%20Greatorex%20-%20A%20Forgotten%20Scientist%20and%20Mining%20Engineer.pdf\" }, { \"title\": \"Bulletin 16-4 - Royledge and New York Copper Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20Royledge%20and%20New%20York%20Copper%20Mines.pdf\" }, { \"title\": \"Bulletin 16-4 - The Rev. Mr. Carrier\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-4%20-%20The%20Rev.%20Mr.%20Carrier.pdf\" }, { \"title\": \"Bulletin 16-5 - Exploration of Mines at Perryfoot\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-5%20-%20Exploration%20of%20Mines%20at%20Perryfoot.pdf\" }, { \"title\": \"Bulletin 16-5 - Geological Setting of the Mineral Deposits at Brassington and Carsington\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-5%20-%20Geological%20Setting%20of%20the%20Mineral%20Deposits%20at%20Brassington%20and%20Carsington.pdf\" }, { \"title\": \"Bulletin 16-5 - Geophysical Survey at Magpie Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-5%20-%20Geophysical%20Survey%20at%20Magpie%20Mine.pdf\" }, { \"title\": \"Bulletin 16-5 - History of Coalpithole Vein\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-5%20-%20History%20of%20Coalpithole%20Vein.pdf\" }, { \"title\": \"Bulletin 16-6 - A Gazetteer of the Mines within Castleton and Hope Liberties\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-6%20-%20A%20Gazetteer%20of%20the%20Mines%20within%20Castleton%20and%20Hope%20Liberties.pdf\" }, { \"title\": \"Bulletin 16-6 - Black Country Mining before the Industrial Revolution\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-6%20-%20Black%20Country%20Mining%20before%20the%20Industrial%20Revolution.pdf\" }, { \"title\": \"Bulletin 16-6 - Hard Times for Lead Miners\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2016-6%20-%20Hard%20Times%20for%20Lead%20Miners.pdf\" }, { \"title\": \"Bulletin 17-1 - Coal Mining in the Hamlets of Beard and Bugsworth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-1%20-%20Coal%20Mining%20in%20the%20Hamlets%20of%20Beard%20and%20Bugsworth.pdf\" }, { \"title\": \"Bulletin 17-1 - The Mines and Forges of the Lower Derwent Valley\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-1%20-%20The%20Mines%20and%20Forges%20of%20the%20Lower%20Derwent%20Valley.pdf\" }, { \"title\": \"Bulletin 17-2 - A Coal Getting Agreement, No 1 Mercantile Colliery\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-2%20-%20A%20Coal%20Getting%20Agreement,%20No%201%20Mercantile%20Colliery.pdf\" }, { \"title\": \"Bulletin 17-2 - A Gazetteer of the Lead Mines in Buxton, Fairfield, and Wormhill\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-2%20-%20A%20Gazetteer%20of%20the%20Lead%20Mines%20in%20Buxton,%20Fairfield,%20and%20Wormhill.pdf\" }, { \"title\": \"Bulletin 17-2 - The Formation and Early History of Beard Colliery\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-2%20-%20The%20Formation%20and%20Early%20History%20of%20Beard%20Colliery.pdf\" }, { \"title\": \"Bulletin 17-2 - The Geological Setting of the Lead Mines in the Lathkill Dale and Wye Valley Area\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-2%20-%20The%20Geological%20Setting%20of%20the%20Lead%20Mines%20in%20the%20Lathkill%20Dale%20and%20Wye%20Valley%20Area.pdf\" }, { \"title\": \"Bulletin 17-3 - Metal Mines through Time\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-3%20-%20Metal%20Mines%20through%20Time.pdf\" }, { \"title\": \"Bulletin 17-4 - 20th-century Tasmanian Osmiridium Mining\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%2020th-century%20Tasmanian%20Osmiridium%20Mining.pdf\" }, { \"title\": \"Bulletin 17-4 - Archaeology of mining landscapes in Germany\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20Archaeology%20of%20mining%20landscapes%20in%20Germany.pdf\" }, { \"title\": \"Bulletin 17-4 - Early Mining and Metallurgy in Zimbabwe\u2019s Eastern Highlands\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20Early%20Mining%20and%20Metallurgy%20in%20Zimbabwe%E2%80%99s%20Eastern%20Highlands.pdf\" }, { \"title\": \"Bulletin 17-4 - Linares, Spain \u2013 The British Contribution to the Landscape\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20Linares,%20Spain%20%E2%80%93%20The%20British%20Contribution%20to%20the%20Landscape.pdf\" }, { \"title\": \"Bulletin 17-4 - Mining, Quarrying, Archaeology and the Historic Environment\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20Mining,%20Quarrying,%20Archaeology%20and%20the%20Historic%20Environment.pdf\" }, { \"title\": \"Bulletin 17-4 - NAMHO Conference 2009 Abstracts\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20NAMHO%20Conference%202009%20Abstracts.pdf\" }, { \"title\": \"Bulletin 17-4 - NAMHO so far - What has it Achieved\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20NAMHO%20so%20far%20-%20What%20has%20it%20Achieved.pdf\" }, { \"title\": \"Bulletin 17-4 - National Coal Mining Museums\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20National%20Coal%20Mining%20Museums.pdf\" }, { \"title\": \"Bulletin 17-4 - The Development of Colliery Haulage and Winding Systems\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20The%20Development%20of%20Colliery%20Haulage%20and%20Winding%20Systems.pdf\" }, { \"title\": \"Bulletin 17-4 - The Ecology of Lead Mining Remains in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20The%20Ecology%20of%20Lead%20Mining%20Remains%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 17-4 - The Lead Legacy Recent Archaeological Research and Conservation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20The%20Lead%20Legacy%20Recent%20Archaeological%20Research%20and%20Conservation.pdf\" }, { \"title\": \"Bulletin 17-4 - The Port Phillip and Colonial Gold Mining Company\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-4%20-%20The%20Port%20Phillip%20and%20Colonial%20Gold%20Mining%20Company.pdf\" }, { \"title\": \"Bulletin 17-5 - A History and Gazetteer of the Lead Mines within Bradwell Liberty\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-5%20-%20A%20History%20and%20Gazetteer%20of%20the%20Lead%20Mines%20within%20Bradwell%20Liberty.pdf\" }, { \"title\": \"Bulletin 17-5 - Saxon Miners in Serbian Medieval Laws\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-5%20-%20Saxon%20Miners%20in%20Serbian%20Medieval%20Laws.pdf\" }, { \"title\": \"Bulletin 17-5 - The Geological Setting of the Lead Mines in the Northern Part of the White Peak\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-5%20-%20The%20Geological%20Setting%20of%20the%20Lead%20Mines%20in%20the%20Northern%20Part%20of%20the%20White%20Peak.pdf\" }, { \"title\": \"Bulletin 17-6 - A Model of Beever Mine at Grassington\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20A%20Model%20of%20Beever%20Mine%20at%20Grassington.pdf\" }, { \"title\": \"Bulletin 17-6 - Index\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20Index.pdf\" }, { \"title\": \"Bulletin 17-6 - John Barratt and the Grassington Mines 1818-1834\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20John%20Barratt%20and%20the%20Grassington%20Mines%201818-1834.pdf\" }, { \"title\": \"Bulletin 17-6 - Subsidence working the Coal at Whaley Bridge - 1883 To 1903\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20Subsidence%20working%20the%20Coal%20at%20Whaley%20Bridge%20-%201883%20To%201903.pdf\" }, { \"title\": \"Bulletin 17-6 - The Baryte Mines at Grin Hill, Ladmanlow and Stanley Moor\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20The%20Baryte%20Mines%20at%20Grin%20Hill,%20Ladmanlow%20and%20Stanley%20Moor.pdf\" }, { \"title\": \"Bulletin 17-6 - The North Yorkshire Moors Coalfields\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2017-6%20-%20The%20North%20Yorkshire%20Moors%20Coalfields.pdf\" }, { \"title\": \"Bulletin 18-1 & 2 - High Rake Mine, Excavations and Conservation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-1%20&%202%20-%20High%20Rake%20Mine,%20Excavations%20and%20Conservation.pdf\" }, { \"title\": \"Bulletin 18-3 - Gazetteer of Hartington Liberty\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-3%20-%20Gazetteer%20of%20Hartington%20Liberty.pdf\" }, { \"title\": \"Bulletin 18-3 - Geology of Hucklow, Eyam, Stony Middleton & Longstone Edge\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-3%20-%20Geology%20of%20Hucklow,%20Eyam,%20Stony%20Middleton%20&%20Longstone%20Edge.pdf\" }, { \"title\": \"Bulletin 18-4 - Norfolk Ironstone Workings\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-4%20-%20Norfolk%20Ironstone%20Workings.pdf\" }, { \"title\": \"Bulletin 18-4 - Silence Mine, Grindlow\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-4%20-%20Silence%20Mine,%20Grindlow.pdf\" }, { \"title\": \"Bulletin 18-5 - A Chromite Ore Crusher in the Shetland Isles\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-5%20-%20A%20Chromite%20Ore%20Crusher%20in%20the%20Shetland%20Isles.pdf\" }, { \"title\": \"Bulletin 18-5 - Purley Chase Manganese Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-5%20-%20Purley%20Chase%20Manganese%20Mine.pdf\" }, { \"title\": \"Bulletin 18-5 - Saxon Mining in Medieval Serbia\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-5%20-%20Saxon%20Mining%20in%20Medieval%20Serbia.pdf\" }, { \"title\": \"Bulletin 18-5 - Underground Surveying at Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-5%20-%20Underground%20Surveying%20at%20Mines.pdf\" }, { \"title\": \"Bulletin 18-5 - William Senior's 1617 Map of Sheldon\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-5%20-%20William%20Senior's%201617%20Map%20of%20Sheldon.pdf\" }, { \"title\": \"Bulletin 18-6 - Index to Volume 18\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-6%20-%20Index%20to%20Volume%2018.pdf\" }, { \"title\": \"Bulletin 18-6 - The Lead Legacy - An Updated Inventory of Important Metal and Gangue Mining Sites in the Peak District\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2018-6%20-%20The%20Lead%20Legacy%20-%20An%20Updated%20Inventory%20of%20Important%20Metal%20and%20Gangue%20Mining%20Sites%20in%20the%20Peak%20District.pdf\" }, { \"title\": \"Bulletin 19-1 - A Gazetteer and History of the Lead Mines within the Liberty of Tideswell, Derbyshire - 1189-1945\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-1%20-%20A%20Gazetteer%20and%20History%20of%20the%20Lead%20Mines%20within%20the%20Liberty%20of%20Tideswell,%20Derbyshire%20-%201189-1945.pdf\" }, { \"title\": \"Bulletin 19-1 - Letter to the Editor - Manganese Mining at Nuneaton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-1%20-%20Letter%20to%20the%20Editor%20-%20Manganese%20Mining%20at%20Nuneaton.pdf\" }, { \"title\": \"Bulletin 19-1 - The Geological Setting of the Old Lead Mines of Ashover and Crich, Derbyshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-1%20-%20The%20Geological%20Setting%20of%20the%20Old%20Lead%20Mines%20of%20Ashover%20and%20Crich,%20Derbyshire.pdf\" }, { \"title\": \"Bulletin 19-2 - Coal Mining near Buxton - Thatch Marsh, Orchard Common and Goyt's Moss\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-2%20-%20Coal%20Mining%20near%20Buxton%20-%20Thatch%20Marsh,%20Orchard%20Common%20and%20Goyt's%20Moss.pdf\" }, { \"title\": \"Bulletin 19-2 - Derbyshire Roman Lead Pigs and 'Lutudarum'\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-2%20-%20Derbyshire%20Roman%20Lead%20Pigs%20and%20'Lutudarum'.pdf\" }, { \"title\": \"Bulletin 19-2 - The Mines of Middleton Flats\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-2%20-%20The%20Mines%20of%20Middleton%20Flats.pdf\" }, { \"title\": \"Bulletin 19-3 - EXCAVATIONS AT PITCHCROFT LIMESTONE MINE, CHURCH ASTON\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20EXCAVATIONS%20AT%20PITCHCROFT%20LIMESTONE%20MINE,%20CHURCH%20ASTON.pdf\" }, { \"title\": \"Bulletin 19-3 - Lead and Zinc mining in Flintshire - the engineering legacy for new development\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Lead%20and%20Zinc%20mining%20in%20Flintshire%20-%20the%20engineering%20legacy%20for%20new%20development.pdf\" }, { \"title\": \"Bulletin 19-3 - Lead Mining Landscapes of Southern Spain\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Lead%20Mining%20Landscapes%20of%20Southern%20Spain.pdf\" }, { \"title\": \"Bulletin 19-3 - Management of the Mining Heritage on Mynydd Parys\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Management%20of%20the%20Mining%20Heritage%20on%20Mynydd%20Parys.pdf\" }, { \"title\": \"Bulletin 19-3 - Managing the Environmental Legacies of Frongoch Lead and Zinc Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Managing%20the%20Environmental%20Legacies%20of%20Frongoch%20Lead%20and%20Zinc%20Mine.pdf\" }, { \"title\": \"Bulletin 19-3 - Medieval mining in Saxony - Selected Results from Excavations of High Medieval Silver Mines in Dippoldiswalde and Niederp\u00f6bel\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Medieval%20mining%20in%20Saxony%20-%20Selected%20Results%20from%20Excavations%20of%20High%20Medieval%20Silver%20Mines%20in%20Dippoldiswalde%20and%20Niederp%C3%B6bel.pdf\" }, { \"title\": \"Bulletin 19-3 - New investigations and new ideas on Prehistoric-Roman metal mining and smelting in Wales\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20New%20investigations%20and%20new%20ideas%20on%20Prehistoric-Roman%20metal%20mining%20and%20smelting%20in%20Wales.pdf\" }, { \"title\": \"Bulletin 19-3 - Penmaenmawr Quarries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Penmaenmawr%20Quarries.pdf\" }, { \"title\": \"Bulletin 19-3 - Silver in Queensland - The Problem of Ore Processing\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20Silver%20in%20Queensland%20-%20The%20Problem%20of%20Ore%20Processing.pdf\" }, { \"title\": \"Bulletin 19-3 - The Monks Who Mined\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20The%20Monks%20Who%20Mined.pdf\" }, { \"title\": \"Bulletin 19-3 - The Neston Coalfield\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-3%20-%20The%20Neston%20Coalfield.pdf\" }, { \"title\": \"Bulletin 19-4 - A 13th Century Mining Dispute in the Central Orefields\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-4%20-%20A%2013th%20Century%20Mining%20Dispute%20in%20the%20Central%20Orefields.pdf\" }, { \"title\": \"Bulletin 19-4 - Coal Mining on the Peak District's Eastern Uplands during the 16th to Early-20th Centuries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-4%20-%20Coal%20Mining%20on%20the%20Peak%20District's%20Eastern%20Uplands%20during%20the%2016th%20to%20Early-20th%20Centuries.pdf\" }, { \"title\": \"Bulletin 19-5 - A History and Gazetteer of the Lead Mines within the Private Liberty or Lordship of Hazlebadge, Derbyshire - 1292-1947\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-5%20-%20A%20History%20and%20Gazetteer%20of%20the%20Lead%20Mines%20within%20the%20Private%20Liberty%20or%20Lordship%20of%20Hazlebadge,%20Derbyshire%20-%201292-1947.pdf\" }, { \"title\": \"Bulletin 19-5 - The 1788 Boulton and Watt Engine House at Ecton - Archaeological Excavations 2012-14\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-5%20-%20The%201788%20Boulton%20and%20Watt%20Engine%20House%20at%20Ecton%20-%20Archaeological%20Excavations%202012-14.pdf\" }, { \"title\": \"Bulletin 19-6 - Index to Mining History - Vol. 19 Nos. 1-6\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-6%20-%20Index%20to%20Mining%20History%20-%20Vol.%2019%20Nos.%201-6.pdf\" }, { \"title\": \"Bulletin 19-6 - Quarrying Chert at Bakewell - A Detailed Archaeological Survey of Pretoria Mine and Observations on Holme Bank, Holme Hall and Endcliffe Mines\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2019-6%20-%20Quarrying%20Chert%20at%20Bakewell%20-%20A%20Detailed%20Archaeological%20Survey%20of%20Pretoria%20Mine%20and%20Observations%20on%20Holme%20Bank,%20Holme%20Hall%20and%20Endcliffe%20Mines.pdf\" }, { \"title\": \"Bulletin 20-1 - Ancient Mining Features in the Wigpool Iron Ore Mine, Forest Of Dean, Gloucestershire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-1%20-%20Ancient%20Mining%20Features%20in%20the%20Wigpool%20Iron%20Ore%20Mine,%20Forest%20Of%20Dean,%20Gloucestershire.pdf\" }, { \"title\": \"Bulletin 20-1 - A Smelting Miscellany No. 3\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-1%20-%20A%20Smelting%20Miscellany%20No.%203.pdf\" }, { \"title\": \"Bulletin 20-1 - Clear The Way or Black Hillock Mine, Tideswell Moor, Derbyshire - c. 1711 - 1940s\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-1%20-%20Clear%20The%20Way%20or%20Black%20Hillock%20Mine,%20Tideswell%20Moor,%20Derbyshire%20-%20c.%201711%20-%201940s.pdf\" }, { \"title\": \"Bulletin 20-1 - Mining a Globalized World - Local Impacts and International Linkages of the British Exploitation of the Cerro Muriano Mine (Spain, 1897-1919)\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-1%20-%20Mining%20a%20Globalized%20World%20-%20Local%20Impacts%20and%20International%20Linkages%20of%20the%20British%20Exploitation%20of%20the%20Cerro%20Muriano%20Mine%20(Spain,%201897-1919).pdf\" }, { \"title\": \"Bulletin 20-1 - The Ecton Mines 1880s Dressing Shed Archaeological Evaluation Excavations - November-December 2015\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-1%20-%20The%20Ecton%20Mines%201880s%20Dressing%20Shed%20Archaeological%20Evaluation%20Excavations%20-%20November-December%202015.pdf\" }, { \"title\": \"Bulletin 20-2 - Watergrove Mine, Foolow, Derbyshire - Excavating a 1794-95 Newcomen Engine House and a History of the Mine\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-2%20-%20Watergrove%20Mine,%20Foolow,%20Derbyshire%20-%20Excavating%20a%201794-95%20Newcomen%20Engine%20House%20and%20a%20History%20of%20the%20Mine.pdf\" }, { \"title\": \"Bulletin 20-3 - Mandale Mine, Lathkill Dale, Over Haddon, Derbyshire - Survey and Interpretation\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-3%20-%20Mandale%20Mine,%20Lathkill%20Dale,%20Over%20Haddon,%20Derbyshire%20-%20Survey%20and%20Interpretation.pdf\" }, { \"title\": \"Bulletin 20-3 - Quarrying Black Marble at Ashford - A Detailed Archaeological Survey of Rookery and Arrock Mines, with an Outline History of Extraction\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-3%20-%20Quarrying%20Black%20Marble%20at%20Ashford%20-%20A%20Detailed%20Archaeological%20Survey%20of%20Rookery%20and%20Arrock%20Mines,%20with%20an%20Outline%20History%20of%20Extraction.pdf\" }, { \"title\": \"Bulletin 20-3 - The Daisy Knowl Underground Stone Quarry, Longnor, Staffordshire\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-3%20-%20The%20Daisy%20Knowl%20Underground%20Stone%20Quarry,%20Longnor,%20Staffordshire.pdf\" }, { \"title\": \"Bulletin 20-4 - A History and Gazetteer of the Lead Mines upon Eyam Edge, Derbyshire - 1711-1940\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-4%20-%20A%20History%20and%20Gazetteer%20of%20the%20Lead%20Mines%20upon%20Eyam%20Edge,%20Derbyshire%20-%201711-1940.pdf\" }, { \"title\": \"Bulletin 20-4 - A Smelting Miscellany No. 4 Sargill Lead Smelting Mill and the Development of the Ore Hearth\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-4%20-%20A%20Smelting%20Miscellany%20No.%204%20Sargill%20Lead%20Smelting%20Mill%20and%20the%20Development%20of%20the%20Ore%20Hearth.pdf\" }, { \"title\": \"Bulletin 20-4 - Coal Mining Near Buxton - Dane, Blackclough and Knotbury Collieries\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-4%20-%20Coal%20Mining%20Near%20Buxton%20-%20Dane,%20Blackclough%20and%20Knotbury%20Collieries.pdf\" }, { \"title\": \"Bulletin 20-4 - The Coal Mines of Bugsworth, Beard and Ollersett Moors\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-4%20-%20The%20Coal%20Mines%20of%20Bugsworth,%20Beard%20and%20Ollersett%20Moors.pdf\" }, { \"title\": \"Bulletin 20-5 - Excavations at Watts Shaft, Old Mill Close Mine, 1973-1981\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-5%20-%20Excavations%20at%20Watts%20Shaft,%20Old%20Mill%20Close%20Mine,%201973-1981.pdf\" }, { \"title\": \"Bulletin 20-5 - Longcliffe Mine, Castleton Liberty The Recorded History\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-5%20-%20Longcliffe%20Mine,%20Castleton%20Liberty%20The%20Recorded%20History.pdf\" }, { \"title\": \"Bulletin 20-5 - Maps and Sections of a Silver-Lead Mine at Combe Martin, Devon\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-5%20-%20Maps%20and%20Sections%20of%20a%20Silver-Lead%20Mine%20at%20Combe%20Martin,%20Devon.pdf\" }, { \"title\": \"Bulletin 20-5 - The Re-opening of Longcliffe Mine, Castleton\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-5%20-%20The%20Re-opening%20of%20Longcliffe%20Mine,%20Castleton.pdf\" }, { \"title\": \"Bulletin 20-6 - A History and Gazetteer of the Lead Mines around the Village Of Eyam. 1587 - 1988\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-6%20-%20A%20History%20and%20Gazetteer%20of%20the%20Lead%20Mines%20around%20the%20Village%20Of%20Eyam.%201587%20-%201988.pdf\" }, { \"title\": \"Bulletin 20-6 - The Restoration of the Deep Ecton Level Entrance in October to November 2018\", \"url\": \"https://pdmhs.co.uk/MiningHistory/Bulletin%2020-6%20-%20The%20Restoration%20of%20the%20Deep%20Ecton%20Level%20Entrance%20in%20October%20to%20November%202018.pdf\" } ] }","hrefs":["Publications","<a href=\"https://Underfoot.info/Q130384158\" target=\"_blank\" style=\"color: #28a745;\">Peak District Mines Historical Society</a>","Articles"],"title":"Articles","is_collection":true}]},"Video":{"is_collection":true,"hrefs":["Video","Adventure Traveller"],"sections":[{"host":"YouTube","i1":"","i2":"","i3":"","i4":"","i5":"","title1":"Video","title2":"Adventure Traveller","title3":"","title4":"","title5":"","keywords":"England","offset":"0","url":"https://www.youtube.com/@adventuretraveller007","scope":"2","refresh":"60","thumb":".Video/Adventure_Traveller.jpg","metadata":"{\"type\":\"collection\",\"date\":\"2026-01-21\",\"items\":[{\"title\":\"Ep: 4B: REDHOUSE Looking For a Back Door Part 2 - Yat Grotto\",\"duration\":\"20:42\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=7UevZ0m03Gk\",\"date\":\"\"},{\"title\":\"Ep 4A: REDHOUSE - Looking For a Backdoor Part 1.\",\"duration\":\"17:47\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=qo-_OJ04P0w\",\"date\":\"\"},{\"title\":\"Ep 22 REDHOUSE Symonds Yat Radio Location\",\"duration\":\"13:03\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=PhBs_0XR6zw\",\"date\":\"\"},{\"title\":\"Ep.21 - REDHOUSE - Aven Climb and Crow End Dig\",\"duration\":\"11:09\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=dRlWWRglSoQ\",\"date\":\"\"},{\"title\":\"Ep. 20 REDHOUSE - Close to Symonds Yat\",\"duration\":\"7:39\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=Fzhk4p45c4U\",\"date\":\"\"},{\"title\":\"Ep 19 HIDDEN EARTH SPECIAL\",\"duration\":\"12:08\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=2fHw6ff3s6E\",\"date\":\"\"},{\"title\":\"Ep 18: REDHOUSE - SUMMER UPDATE. 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Up Sharneyford Bacup at George Maxwell's Change Colliery\",\"duration\":\"55:07\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=lvVu96YQ8vU\",\"date\":\"\"},{\"title\":\"Woodend Mining Museum. Unveiling the winding wheel\",\"duration\":\"23:02\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=_pJdjzP99qs\",\"date\":\"\"},{\"title\":\"Three Owd Codgers Oor 't Gambleside. A look round some ruined farms former homes of Industrialists\",\"duration\":\"15:44\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=jiuUu2blfAY\",\"date\":\"\"},{\"title\":\"Further Underground discoveries in Rossendale Lancashire.\",\"duration\":\"6:38\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=JmsvDHZZOUY\",\"date\":\"\"},{\"title\":\"Mining History Shorts. The Spewing Duck. Goodshawfold Rossendale\",\"duration\":\"1:56\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=J7ay21UknFc\",\"date\":\"\"},{\"title\":\"Mining History Shorts. Going Underground 2. 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An important mining site is about to disappear into a quarry\",\"duration\":\"19:59\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=oT22pxoQX8E\",\"date\":\"\"},{\"title\":\"Exciting New Exhibit at Woodend Mining Museum.\",\"duration\":\"5:24\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=LCzplhLwm0Y\",\"date\":\"\"},{\"title\":\"Two Monuments of Ages. Thirllwall. Northumberland. Thirlwall Colliery has some amazing remains\",\"duration\":\"17:55\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=C2jhb6GS5lI\",\"date\":\"\"},{\"title\":\"Woodend Mining Museum. Brian Maden Lectures. The Hapton Valley Explosion\",\"duration\":\"10:44\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=qxkRFMkTs7g\",\"date\":\"\"},{\"title\":\"Alston Coalfield. Talk given to Alston Moor Historical Society on the Alston Coalfield.\",\"duration\":\"1:06:46\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=lSKM6X01oko\",\"date\":\"\"},{\"title\":\"Dukesfield Smelt Mill Northumberland. 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Preview of a video we are now working on\",\"duration\":\"4:59\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=qX7BF1WzZmg\",\"date\":\"\"},{\"title\":\"Rowgill Coal pit at Jail House corner Alston Cumbria. Field Study\",\"duration\":\"29:56\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=EldgJiPAYGs\",\"date\":\"\"},{\"title\":\"Townley Colliery Burnley. Interview with John Wilson who started at Townley Colliery Burnley aged 14\",\"duration\":\"8:12\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=szXPYFcAjlc\",\"date\":\"\"},{\"title\":\"The Cave Man of Borrowdale. Westmoreland Green Slate. Castle Crag and the Iron Age Fort.\",\"duration\":\"43:27\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=8GeDv7c-Cug\",\"date\":\"\"},{\"title\":\"Nabb Colliery Rossendale. Drone flight along the surface remains.\",\"duration\":\"9:48\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=F0L90g7bKm4\",\"date\":\"\"},{\"title\":\"\",\"duration\":\"The Last Pit . Along with Nic Broomhead and Jez Cooper we visit the Norths last working colliery.\",\"url\":\"20:02\",\"date\":\"\"},{\"title\":\"Woodend Mining Museum Burnley Carol is interviewed on Radio Lancashire\",\"duration\":\"4:44\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=EcyBCntXXyg\",\"date\":\"\"},{\"title\":\"Training Daze. Get Sum In. Leaving School in 1980 and starting with the NCB\",\"duration\":\"57:56\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=cv2pKJ_Wkbk\",\"date\":\"\"},{\"title\":\"Hartside Colliery By Drone. Attempt 1. 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Location of Old Steam driven fan dating 1891\",\"duration\":\"19:57\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=NNj4QvP2yxc\",\"date\":\"\"},{\"title\":\"Burnley Mining Museum. Woodend Colliery at Smithson Farm\",\"duration\":\"25:51\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=PEZZRjS4ROc\",\"date\":\"\"},{\"title\":\"Barhaugh Colliery part 2. The Last of the Prospectors. 1950-2000. Coal mine near Alston\",\"duration\":\"54:18\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=y1NZxz3EM28\",\"date\":\"\"},{\"title\":\"The Hungarian Refuge Miners who fled to Great Britain following the Uprising against Soviet Rule\",\"duration\":\"55:03\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=eh8fXiHvLHU\",\"date\":\"\"},{\"title\":\"Death By washing Line in Bacup & The Shroud of Goodshaw. 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Deerplay & Inchfield Moor Colliery\",\"duration\":\"3:02\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=hyOQyLPxvfk\",\"date\":\"\"},{\"title\":\"Bait Time Banter: Colliers and the Demon Drink 1847.\",\"duration\":\"15:22\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=exIUSma6VFo\",\"date\":\"\"},{\"title\":\"field study Old Sink and Mill Moor Collieries Rooley Moor Lancashire\",\"duration\":\"32:25\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=p5EM1XPvdkI\",\"date\":\"\"},{\"title\":\"Longfell Mine, Warcop. Newsreel footage from 1949\",\"duration\":\"1:23\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=rfVr2KcFqd4\",\"date\":\"\"},{\"title\":\"Rooley Moor Collieries Field study.1 Intake, Part Bank and Ashworth's Mill Moor.\",\"duration\":\"21:52\",\"url\":\"https:\\/\\/www.youtube.com\\/watch?v=LIw4wL5P2xM\",\"date\":\"\"},{\"title\":\"Bait Time Banter: Rumours of my Death. 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