01179cam a22002774a 4500 gs 37000129 DLC 20260227111341.0 770416s1937 sa b 000 0 eng c gs 37000129 (OCoLC)2892492 U. S. Geol. survey. Library FTS DLC premarc QE324 .A3 no. 30 Hall, A. L. (Arthur Lewis), 1872-1955. A bibliography of South African geology for the years 1931 to 1935 (inclusive). Author's index / by A. L. Hall. Pretoria : Government printer, 1937. 168 p. ; 25 cm. Geological survey memoir ; no. 30 At head of title: Union of South Africa. Department of Mines. Continuation of Memoirs 18, 22, 25 and 27. With: The building stones of the Union of South Africa / by W. Wybergh. Pretoria : Government Printer, 1932. Bound together subsequent to publication. DLC Geology South Africa Bibliography. South Africa. Department of Mines and Industries. Memoir (Geological Survey (South Africa)) ; no. 30. 27350 27350