00999cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035002000092040004600112042001200158050002200170100002600192245006800218260006900286300007100355490005200426500008100478504003200559650003700591650004700628650004100675999001700716gs 23000005 DLC20260227111327.0860307s1922    sa abf   b   f000 0 eng c  ags 23000005   a(OCoLC)13253653  aLibrary, U.S. Geological SurveycNhDdDLC  apremarc00aQE324b.A3 no. 201 aWagner, Percy Albert.14aThe Pretoria salt-pan,ba soda caldera,cby Percy A. Wagner ...  aPretoria,bThe Government Printing and Stationery Office,c1922.  a136 p.bXIX pl. (part fold.; incl. fold. col. map) tables.c25 cm.0 aSouth Africa. Geological Survey. Memoirvno. 20  aAt head of title: Union of South Africa. Department of mines and industries.  aBibliographical foot-notes. 0aGeology, EconomiczSouth Africa. 0aMines and mineral resourceszSouth Africa. 0aSalt mines and miningzSouth Africa.  c26203d26203