01236cam a22003011  4500001001300000003000400013005001700017008004100034010001700075035001900092040003800111050002200149051001700171086001700188100003400205245015100239260004800390300007100438410005600509500007700565504002800642650004900670650002400719650005400743700003600797740008400833999001700917gs 66000189 DLC20260227111419.0780123s1965    dcuab    b   f000 0 eng    ags 66000189   a(OCoLC)3574554  aDLCcOClUdOCoLCdISSdOCoLCdDLC00aQE75b.P9 no. 487  aQE92.S3bS820 aI 19.16:487/1 aSteven, Thomas August,d1917-10aGeology and structural control of ore deposition in the Creede district,bSan Juan Mountains, Colorado,cby Thomas A. Steven and James C. Ratté.  aWashington,bU.S. Govt. Print. Off.,c1965.  a90 p.billus., maps, and portfolio (7 fold. maps (1 col.))c29 cm.20aGeological Survey (U.S.).tProfessional paper,v487  aPrepared in cooperation with the Colorado State Metal Mining Fund Board.  aBibliography: p. 86-87. 0aGeologyzSan Juan Mountains (Colo. and N.M.) 0aGeology, Structural 0aOre depositszSan Juan Mountains (Colo. and N.M.)1 aRatté, James Clifford,d1925-0 aControl of ore deposition in the Creede district, San Juan Mountains, Colorado.  c30214d30214