Corundum in the Northern and Eastern Transvaal / by A.L. Hall.
Material type:
TextSeries: Memoir (Geological Survey (South Africa)) ; 15.Publication details: Pretoria : Govt. Print. and Stationery Office, 1920.Description: 223 p. : ill., maps ; 25 cmSubject(s): LOC classification: - QE324 .A3 no. 15
At head of title: Union of South Africa, Department of Mines and Industries, Geological Survey.
Includes bibliographical references (p. [209]) and index.
Published by authority of the Honourable the Minister of Mines and Industries.
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