Underfoot Rummage

16:04:28 SYSTEM PROCESSOR INITIATED... > Found 2 records in database. > Subterranea Britannica https://archive.org/details/subterranea > Yorkshire Subterranean Society https://www.yssuk.com/yss/newsletters.html 16:04:28 PROCESS COMPLETE.

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1996)\",\"date\":\"1996-01-01\"},{\"title\":\"Subterranea 44 (April 2017)\",\"date\":\"2017-04-01\"},{\"title\":\"Subterranea 50 (April 2019)\",\"date\":\"2019-04-01\"},{\"title\":\"Subterranea 27 (September 2011)\",\"date\":\"2011-09-01\"},{\"title\":\"Siren 4 (Spring 1997)\",\"date\":\"1997-01-01\"},{\"title\":\"Subterranea 10 (April 2006)\",\"date\":\"2006-04-01\"},{\"title\":\"Subterranea 25 (December 2010)\",\"date\":\"2010-12-01\"},{\"title\":\"Subterranea 53 (April 2020)\",\"date\":\"2020-04-01\"},{\"title\":\"Subterranea 58 (December 2021)\",\"date\":\"2021-12-01\"},{\"title\":\"Secretary's Newsletter 15 (1995)\",\"date\":\"1995-01-01\"},{\"title\":\"Newsletter 2 (September 1984)\",\"date\":\"1984-09-01\"},{\"title\":\"Subterranea 31 (December 2012)\",\"date\":\"2012-12-01\"},{\"title\":\"Subterranea 37 (December 2014)\",\"date\":\"2014-12-01\"},{\"title\":\"Subterranea 48 (August 2018)\",\"date\":\"2018-08-01\"},{\"title\":\"Siren 7 (Winter 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