01252cam a22002894a 4500 gs 47000072 DLC 20260227111352.0 860307s1946 sa abf b f001 0 eng c gs 47000072 (OCoLC)13254182 U.S. Geol. Survey. Library NhD DLC premarc QE324 .A3 no. 40 Söhnge, A. P. G. The geology of the Messina copper mines and surrounding country / by P.G. Söhnge. Pretoria : Govt. Printer, 1946. 280 p., [52] p. of plates : ill., maps, tables, diagrs. + 22 plates in pocket ; 24 cm. Geological Survey memoir ; no. 40 At head of title: Union of South Africa. Dept. of Mines. With: Magnesite in the Union of South Africa / by J.S. Van Zyl ... [et al.]. Pretoria : Govt. Printer, 1942. Bound together subsequent to publication. DLC Includes bibliographical references (p. 208-212) and index. Copper mines and mining South Africa. Geology South Africa Messina. South Africa. Department of Mines and Industries. Memoir (Geological Survey (South Africa)) ; no. 40. 28137 28137