Pleistocene deposits of the Thames valley. view of long section in Great western Railway pit, Iver, Bucks., as first operated by Road aggregates, Ltd. Iver Terrace.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Pleistocene deposits of the Thames valley. view of long section in Great western Railway pit, Iver, Bucks., as first operated by Road aggregates, Ltd. Iver Terrace. Wellcome Collection. Source: Wellcome Collection.

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