File:P804682.jpg: Revision history

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11 September 2020

  • curprev 20:3120:31, 11 September 2020Scotfot talk contribs 3,456 bytes +3,456 A valley being crossed. A cutting in Boulder Clay in the eastern slope of the Stevenage Valley. Excursion to Hertford and Stevenage, May 2nd 1914. [http://pubs.bgs.ac.uk/publications.html?pubID=GA004#v=d&z=2&n=5&i=P802787.jp2&y=284&x=367 From the Geologists' Association Carreck Archive. The Reader Geological Photographs. 1914, 1916.]