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• 15:51, 16 May 2020 Scotfot talk contribs created page Richard Phillips at the Museum of Economic Geology and his experimental work on the Penny Black and Penny Red postage stamps (Created page with " == Introduction == The forerunner of the present British Geological Survey was founded on 11 July 1835 as a branch of the Ordnance Trigonometrical Survey. Its role at this ti...")