Pleistocene deposits of the Thames valley. East Burnham, Bucks. Section in Cooper's pit, upper Boyn Hill Terrace.

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: Pleistocene deposits of the Thames valley. East Burnham, Bucks. Section in Cooper's pit, upper Boyn Hill Terrace. Wellcome Collection. Source: Wellcome Collection.