Magnesite in the Union of South Africa - Van Zyl, J. S.; South Africa. Department of Mines and Industries (Pretoria : Govt. Printer, 1942)
At head of title: Union of South Africa. Dept. of Mines.
With: Lead deposits in the Union of South Africa and South West Africa with some notes on associated ores / by J. Willemse ... [et al.] -- The geology of the Messina copper mines and surrounding country / by P.G. Söhnge. Pretoria : Govt. Printer, 1944-1946. Bound together subsequent to publication.
Includes bibliographical references (p. 68) and index.
Keywords: Magnesite -- South Africa