Geological Survey (South Africa)In upper margin: Department of Mines and Industries, Geological Survey.; "Cartographer, Eric H. Banks."141 x 190 centimeters, on sheets 77 x 102 centimeters. or smallerJPEGUMN_ALMA:9924961810001701afrGeological Survey Office (Pretoria)PublicGeological map of the Union of South Africa : Geologiese kaart van die Unie van Suid AfrikaMapsSouth Africa1925University of Minnesota