01066cam a22002891  4500001001300000003000400013005001700017008004100034010001700075035001900092040002400111042001200135050002200147082001300169086001600182100003400198245012000232260004800352300006800400410005600468500005000524504002400574650004200598650004700640650004400687700004500731gs 59000159 DLC20260227111408.0780320s1959    dcubd    b   f000 0 eng    ags 59000159   a(OCoLC)3733410  aDLCcOClUdISSdDLC  apremarc00aQE75b.P9 no. 319  a557.88610 aI 19.16:3191 aHarrison, Jack Edward,d1924-00aGeology and ore deposits of the Chicago Creek area, Clear Creek County, Colorado,cby J.E. Harrison and J.D. Wells.  aWashington,bU.S. Govt. Print. Off.,c1959.  av, 92 p.bmaps (part fold., part col.) diagrs., tables.c29 cm.20aGeological Survey (U.S.).tProfessional paper,v319  aPart of illustrative matter folded in pocket.  aBibliography: p.89. 0aGeologyzColoradozClear Creek County 0aOre depositszColoradozClear Creek County 0aPetrologyzColoradozClear Creek County1 aWells, John David,d1926-ejoint author.