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 Von Backström; 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, Union of South Africa Departement Van Mynwese, Geologiese Opname, Unie van Suid-Afrika Sheet 46 Messina Blad 46 Messina
Geological Survey (South Africa) A. P. G Söhnge; H. J Nel; H. D Le Roex; Trigonometrical Survey (South Africa); Aircraft Operating Company
Pretoria Printed in the Union of South Africa by the Government Printer 1948
Localização:
IGC - Instituto de Geociências
(MP M4-96 )(Acessar)