Department of Mines, Geological Survey, Union of South Africa Departement Van Mynwese, Geologiese Opname, Unie van Suid-Afrika Sheet 54 Lichtenburg Blad 54 Lichtenburg
Geological Survey (South Africa) Alex. L Du Toit 1878-1948. (Alexander Logie); J. W VonBackström; H. D Le Roex; Trigonometrical Survey (South Africa)
Pretoria Printed in the Union of South Africa by the Government Printer 1951
Localização:
IGC - Instituto de Geociências
(MP M3-266 )(Acessar)
Department of Mines, Geological Survey, Republic of South Africa Departement Van Mynwese, Geologiese Opname, Republiek van Suid-Afrika 2625D Barberspan 2626C Ottosdal 2625D Barberspan 2626C Ottosdal
Geological Survey (South Africa) J. W. vonBackström; J. J Viljoen
Pretoria Printed by the Government Printer 1962
Localização:
IGC - Instituto de Geociências
(MP M4-89 )(Acessar)