00928cam a22002651  4500001001300000003000400013005001700017008004100034010001700075035001900092040005500111042001200166050002300178100003800201245006800239260004200307300005700349490006300406500005100469504003200520500002600552650002000578700004700598999001700645gs 27000057 DLC20260227111331.0761022s1926    xx            000 0 eng c  ags 27000057   a(OCoLC)2521550  aLibrary, U.S. Geological SurveycOGraDdOCoLCdDLC  apremarc00aQE195b.A2 no. 1501 aCockfield, William Egbert,d1890-10aWhitehorse district, Yukon,cby W. E. Cockfield and A. H. Bell.  aOttawa,bF.A. Acland, printer,c1926.  a2 p. l., 63 p.bVIII pl., fold. map, tables.c25 cm.0 aCanada. Geological Survey. Memoir 150; geol. ser.vno. 131  aAt head of title: Canada. Department of Mines.  aBibliographical references.  aMap folded in pocket. 0aGeologyzYukon.1 aBell, Alfred Hannam,d1895-ejoint author.  c26540d26540