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)