01263cam a22003251a 4500001001300000003000400013005001700017008004100034010001700075035001900092040002500111050002300136051001600159070002200175072000900197100004700206245009500253260004600348300003700394440003900431500017900470500003200649504002500681500002000706650004400726650004600770650004600816650005800862999001700920gs 54000263 DLC20260227111402.0780803s1954    dcuab    b   f001 0 eng    ags 54000263   a(OCoLC)4107048  aDLCcOClUdDNALdDLC00aQE75b.B9 no. 1004  aQE84.W5bR30 a407bG29B no.10040 aX4001 aRay, Richard G.q(Richard Godfrey),d1920-10aGeology and ore deposits of the Willow Creek mining district, Alaska /cby Richard G. Ray.  aWashington, [D.C.] :bU.S. G.P.O.,c1954.  av, 86 p. :bill., maps ;c24 cm. 0aGeological Survey bulletin ;v1004  aA Study of the general and economic geology of a lode gold mining district in southern Alaska, with particular emphasis on the significance of vein, dike, and fault patterns.  aNine folded maps in pocket.  aBibliography: p. 84.  aIncludes index. 0aGeologyzAlaskazWillow Creek district. 0aPetrologyzAlaskazWillow Creek district. 0aGold oreszAlaskazWillow Creek district. 0aGold mines and miningzAlaskazWillow Creek district.  c28893d28893