01225cam a22002774a 4500001001300000003000400013005001700017008004100034010001700075035002000092040004100112042001200153050002200165100002300187245008900210260003800299300009300337490003900430500006100469501016200530504006400692650004300756650003600799710005500835830005700890gs 47000072 DLC20260227111352.0860307s1946    sa abf   b   f001 0 eng c  ags 47000072   a(OCoLC)13254182  aU.S. Geol. Survey. LibrarycNhDdDLC  apremarc00aQE324b.A3 no. 401 aSöhnge, A. P. G.14aThe geology of the Messina copper mines and surrounding country /cby P.G. Söhnge.  aPretoria :bGovt. Printer,c1946.  a280 p., [52] p. of plates :bill., maps, tables, diagrs. + 22 plates in pocket ;c24 cm.1 aGeological Survey memoir ;vno. 40  aAt head of title: Union of South Africa. Dept. of Mines.  aWith: Magnesite in the Union of South Africa / by J.S. Van Zyl ... [et al.]. Pretoria : Govt. Printer,  1942.  Bound together subsequent to publication.5DLC  aIncludes bibliographical references (p. 208-212) and index. 0aCopper mines and miningzSouth Africa. 0aGeologyzSouth AfricazMessina.1 aSouth Africa.bDepartment of Mines and Industries. 0aMemoir (Geological Survey (South Africa)) ;vno. 40.