Department of Mines, Geological Survey, Union of South Africa Departement Mynwese, Geologiese Opname, Unie van Suid-Afrika Bronkhorstspruit 2528D Witbank 2529C Bronkhorstspruit 2528D Witbank 2529C

Geological Survey (South Africa) A. J Besaans; A. P. G Söhnge; J. J Spies; H. N Visser; Trigonometrical Survey (South Africa)

Pretoria Printed by the Government Printer 1962

Localização: IGC - Instituto de Geociências    (MP M3-265 )(Acessar)