On the geology of Cape Seal, Biton-Keurbooms estuary and environs, with a description of a Fenestellid genus of Hemitrypa from Drooge rivier, Plettenbergs Bay
Thesis (M. Sc.) -- University of Stellenbosch, 1932.
1 folded map and 1 drawing in end pocket of thesis.
Full text to be digitised and attached to bibliographic record.