00851cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040001900111042001200130050002100142051002500163100003600188245005600224260004200280300001900322490006200341500005100403650002300454650002300477810006800500999001700568gs 31000007 DLC20260227111335.0790611s1930    onca         f000 0 eng    ags 31000007   a(OCoLC)5053298  aDLCcTxCMdDLC  apremarc00aQE185b.A4 no. 8  aTN84.C2bA6cCopy 2.1 aAlcock, Frederick James,d1888-10aZinc and lead deposits of Canada,cby F. J. Alcock.  aOttawa,bF.A. Acland, printer,c1930.  a406 p.billus.1 aCanada. Geological Survey. Economic geology seriesvno. 8  aAt head of title: Canada. Department of Mines. 0aZinc oreszCanada. 0aLead oreszCanada.2 aGeological Survey of Canada.tEconomic geology report ;vno. 8.  c26840d26840