File:P805346.jpg: Revision history

Jump to navigation Jump to search

Diff selection: Mark the radio buttons of the revisions to compare and hit enter or the button at the bottom.
Legend: (cur) = difference with latest revision, (prev) = difference with preceding revision, m = minor edit.

22 September 2020

  • curprev 11:3911:39, 22 September 2020Scotfot talk contribs 3,532 bytes +3,532 Northwood Company's Buck pit. Section in lower part of London Clay. Excursion to Northwood and Croxley Green, July 24th 1909. Added note: Floor of pit, tenacious marly clay 2 ft thick forming the top of the Reading Beds and passing into mottled clay below; Sandy clay Basement bed, calcareous with many fossiliferous nodules, 5ft 6 inches thick; Pebble Bed; London Clay 3 ft. [Bottom to top.]. BGS image P805346.