File:P915535.jpg: Revision history

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20 July 2015

  • curprev 14:4214:42, 20 July 2015Scotfot talk contribs 3,461 bytes +3,461 Diagrammatic section showing relation of strata above and below the lower and upper unconformities in the Carboniferous sequence of Douglas. From: Figure 25. Cameron, I B, and Stephenson, D. 1985. British regional geology: The Midland Valley of Scotlan...