00864cam a22002411  4500001001300000003000400013005001700017008004100034010001700075035001900092040005200111050002300163051002600186082001100212100004300223245009400266260003700360300002900397490007000426650003300496810007600529999001700605gs 50000047 DLC20260227111356.0810425s1941    sa b         f000 0 eng c  ags 50000047   a(OCoLC)7367054  aU.S. Geol. Survey. LibrarycViBlbVdViBlbVdDLC00aQE325b.A53 no. 13  aTN490.T9bJ6cCopy 2.  a553.461 aJoubert, G. K.q(Gideon Krige),d1903-00aTungsten ores in South Africa with special reference to Namaqualand and the Orange River.  aPretoria,bGovt. Printer,c1941.  a8 p.bfold. map.c24 cm.1 aSouth Africa. Dept. of Mines. Geological series. Bulletinvno. 13 0aTungsten oreszSouth Africa.1 aSouth Africa.bGeological Survey.tGeological series. Bulletinvno. 13.  c28434d28434