01288cam a22002654a 4500 gs 40000301 DLC 20260227111346.0 850906s1939 sa b f000 0 eng c gs 40000301 (OCoLC)12499934 U. S. Geol. Survey. Libr. TxHR OCoLC DLC premarc QE324 .A3 no. 37 Hall, A. L. (Arthur Lewis), 1872-1955. A subject index to the literature of South African geology and mineral resources for the years 1921 to 1935 (inclusive) : A companion volume to Memoirs 25, 27, and 30 (Bibliographies 1921-1935, Authors' index) / by A. L. Hall. Pretoria : Govt. Printer, 1939. 288 p. ; 24 cm. Geological Survey memoir ; no. 37 At head of title: Union of South Africa, Department of Mines. With: The geology of the country around Bethlehem and Kestell with special reference to oil indications / by O.R. van Eeden. Pretoria : Govt. Printer, 1937. Bound together subsequent to publication. DLC Geology South Africa Bibliography. Mines and mineral resources South Africa Bibliography. Memoir (Geological Survey (South Africa)) ; no. 37. 27662 27662