Department of Mines, Geological Survey, Union of South Africa Departement Van Mynwese, Geologiese Opname, Unie van Suid-Afrika Balfour 2628D Standerton 2629C Balfour 2628D Standerton 2629C
Geological Survey (South Africa) Louis T Nel 1895- (Louis Taylor); A. W Rogers 1872-1946 (Arthur William); A. P. A Steyn; A. J Besaans; Trigonometrical Survey (South Africa); Map Studio Productions, pty. ltd
Pretoria Printed by the Government Printer 1971
Localização: IGC - Instituto de Geociências (MP M4-92 )(Acessar)