01140cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035002000092040004800112042001200160050001500172082000800187110004400195245013400239260006400373300005600437500001700493500012100510500003900631504003500670650001000705650005100715700003200766740005200798gs 42000040 DLC20260227111347.0840912s1941    bccb     b   f000 0 eng c  ags 42000040   a(OCoLC)11145524  aU.S. Geol. Survey. LibrarycOrCSdOrCSdDLC  apremarc00aTN939b.C8  a6661 aBritish Columbia.bDepartment of Mines.10aPreliminary investigation into possibilities for producing silica sand from British Columbia sand deposits,cby J.M. Cummings ...  aVictoria, B.C.,bC.F. Banfield, printer to the King,c1941.  a3 p. l., 50 numb. l., 3 l.bfold, map.c27 x 21 cm.  aCover-title.  aAt head of title: British Columbia. Dept. of Mines. Hon. W.J. Asselstine, minister. John F. Walker, deputy minister.  aReproduced from type-written copy.  a"References": 3 leaves at end. 0aSand. 0aMines and mineral resourceszBritish Columbia.1 aCummings, John Moss,d1910-0 aSilca sand from British Columbia sand deposits.