File:P804686.jpg: Revision history

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11 September 2020

  • curprev 20:3820:38, 11 September 2020Scotfot talk contribs 3,404 bytes +3,404 Watton cutting in boulder clay and gravel. Excursion to Hertford and Stevenage, May 2nd 1914. [http://pubs.bgs.ac.uk/publications.html?pubID=GA004#v=d&z=2&n=5&i=P802789.jp2&y=339&x=368 From the Geologists' Association Carreck Archive. The Reader Geological Photographs. 1914, 1916.]