00872cam a22002531  4500001001300000003000400013005001700017008004100034010001700075035001900092040004600111042001200157050002600169110003200195245007400227260004300301300007000344490006200414500005000476504003200526650001700558650002600575999001700601gs 30000280 DLC20260227111335.0790215s1930    xx            000 0 eng c  ags 30000280   a(OCoLC)4656176  aLibrary, U.S. Geological SurveycOCldDLC  apremarc00aTN26b.A4 no. 7 1930b2 aGeological Survey of Canada10aProspecting in Canada,cby officers of the Geological survey, Ottawa.  aOttawa,bF. A. Acland, printer,c1930.  aix, 288 p. incl. illus., maps, tables, diagrs.bXXIII pl.c25 cm.0 aCanada. Geological survey. Economic geology seriesvno. 7  aAt head of title: Canada Department of mines.  aBibliographical references. 0aProspecting. 0aOre depositszCanada.  c26825d26825