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Credit
On the relation of the Westleton Beds, or pebbly sands of Suffolk, to those of Norfolk, and on their extension inland : with some observations on the period of the final elevation and denudation of the Weald and of the Thames Valley, etc. / by Joseph Prestwich. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.