Corundum in the Northern and Eastern Transvaal Hall, Arthur Lewis 1872- creator text bibliography sa Pretoria Govt. Print. and Stationery Office 1920 monographic eng
print
223 p. : ill., maps ; 25 cm. by A.L. Hall. At head of title: Union of South Africa, Department of Mines and Industries, Geological Survey. Published by authority of the Honourable the Minister of Mines and Industries. Includes bibliographical references (p. [209]) and index. f-sa--- Corundum South Africa Northern Transvaal Corundum South Africa Eastern Transvaal Mines and mineral resources South Africa Transvaal QE324 .A3 no. 15 Memoir (Geological Survey (South Africa)) ; 15 gs 21000026 U. S. Geological Survey. Library 850906 20260227111325.0 gs 21000026