File:P805286.jpg: Revision history

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12 September 2020

  • curprev 09:3309:33, 12 September 2020Scotfot talk contribs 3,417 bytes +3,417 Denehole discovered in excavating the Chalk. Excursion to Dartford and Stone, February 29th 1908. [http://pubs.bgs.ac.uk/publications.html?pubID=GA007#v=d&z=2&n=5&i=P803133.jp2&y=305&x=1061 From the Geologists' Association Carreck Archive. The T.W. Reader Geological Photographs 1907, 1908 & 1909]