LEADER 03297oam 2200673I 450 001 9910712045503321 005 20190405095155.0 035 $a(CKB)5470000002489648 035 $a(OCoLC)974489627 035 $a(OCoLC)995470000002489648 035 $a(EXLCZ)995470000002489648 100 $a20170302d1994 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aGuidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado /$fedited by K.C. Stewart and R.C. Severson ; written contributions by Walter H. Ficklin [and nine others] ; photographic contributions by John M. Epperson [and five others] ; graphics by Michael F. Duncan [and three others] ; editorial assistance by Thomas Kohnen 210 1$a[Reston, Virginia] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1994. 210 3$aWashington :$cUnited States Government Printing Office,$d1994. 215 $a1 online resource (iv, 55 pages) $cillustrations, maps 225 1 $aU.S. Geological Survey circular ;$v1097 320 $aIncludes bibliographical references. 327 $aTour log: Denver to Idaho Springs and return / by Ralph R. Shroba, Kathleen C. Stewart, and Wallace R. Hansen -- Historical notes / by K. Stewart -- Geology and mineralization of the Idaho Springs and Central City Mining Districts / by Helen W. Folger -- Generation and interactions of mine drainage at the Argo Tunnel / by Kathleen S. Smith -- Influence of acid-mine drainage on Clear Creek, Colorado / by Walter H. Ficklin and K. Smith -- Constructed wetland treatment of acid mine discharge at Idaho Springs, Colorado / by John C. Emerick [and others]. 606 $aEnvironmental geology$zFront Range (Colo. and Wyo.) 606 $aEnvironmental geology$zColorado$zDenver Region 606 $aAcid mine drainage$zFront Range (Colo. and Wyo.) 606 $aAcid mine drainage$zColorado$zDenver Region 606 $aPollution$zFront Range (Colo. and Wyo.)$xHistory 606 $aPollution$zColorado$zDenver Region$xHistory 606 $aAcid mine drainage$2fast 606 $aEnvironmental geology$2fast 607 $aColorado$zDenver Region$2fast 607 $aUnited States$zFront Range$2fast 615 0$aEnvironmental geology 615 0$aEnvironmental geology 615 0$aAcid mine drainage 615 0$aAcid mine drainage 615 0$aPollution$xHistory. 615 0$aPollution$xHistory. 615 7$aAcid mine drainage. 615 7$aEnvironmental geology. 702 $aStewart$b K. C$g(Kathleen C.), 702 $aSeverson$b R. C$g(Ronald Charles),$f1945- 702 $aFicklin$b Walter H. 702 $aEpperson$b John M. 702 $aDuncan$b Michael 702 $aKohnen$b Thomas$c(Mineralogist), 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCA 801 2$bOCLCQ 801 2$bCOP 801 2$bGPO 906 $aBOOK 912 $a9910712045503321 996 $aGuidebook on the geology, history, and surface-water contamination and remediation in the area from Denver to Idaho Springs, Colorado$93297697 997 $aUNINA