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

Licence: Attribution 4.0 International (CC BY 4.0)

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