01135cam a22003131a 4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111050002200136051001600158070002100174072000900195082001100204100005200215245011100267260004600378300003700424440003800461500003500499500010600534504002500640650003800665650004300703650005800746999001700804gs 52000125 DLC20260227111358.0780629s1951 dcuab b f000 0 eng  ags 52000125  a(OCoLC)4017323 aDLCcOClUdDNALdDLC00aQE75b.B9 no. 970 aQE92.S8bS50 a407bG29B no.9700 aX400 a557.881 aSingewald, Quentin D.q(Quentin Dreyer),d1902-10aGeology and ore deposits of the upper Blue River area, Summit County, Colorado /cby Quentin D. Singewald. aWashington, [D.C.] :bU.S. G.P.O.,c1951. av, 74 p. :bill., maps ;c24 cm. 0aGeological Survey bulletin ;v970 aSeven folded leaves in pocket. aPrepared in cooperation with the Colorado Geological Survey Board and the Colorado Metal Mining Fund. aBibliography: p. 72. 0aGeologyzColoradozSummit County. 0aOre depositszColoradozSummit County. 0aMines and mineral resourceszColoradozSummit County. c28637d28637