01359cam a22002774a 4500001001300000003000400013005001700017008004100034010001700075035002000092040005100112042001200163050002200175100001600197245007100213260004700284300008500331490003900416500008100455501033000536504005100866650003500917710005500952830005701007999001701064gs 32000264 DLC20260227111337.0860306s1932    sa abf   b   f000 0 eng c  ags 32000264   a(OCoLC)13242791  aLibrary, U.S. Geological SurveycNhDdNhDdDLC  apremarc00aQE324b.A3 no. 291 aWybergh, W.14aThe building stones of the Union of South Africa /cby W. Wybergh.  aPretoria :bThe Government Printer,c1932.  a244 p., [4] leaves of plates (some fold.) :bill., diagrs., map, table ;c25 cm.1 aGeological Survey memoir ;vno. 29  aAt head of title: Union of South Africa. Department of Mines and Industries.  aWith: A bibliography of South African geology for the years 1931 to 1935  (inclusive) : authors' index / by A. L. Hall -- The pegmatite area south of the Orange river in Namaqualand / by T. W. Gevers, F. C. Partridge, and G. K. Joubert. Pretoria : The Government Printer, 1937.  Bound together subsequent to publication.5DLC  aIncludes bibliographical references and index. 0aBuilding stoneszSouth Africa.1 aSouth Africa.bDepartment of Mines and Industries. 0aMemoir (Geological Survey (South Africa)) ;vno. 29.  c26988d26988