LEADER 02112oam 2200457 a 450 001 9910698548903321 005 20080919123406.0 035 $a(CKB)4330000001235018 035 $a(OCoLC)60378222 035 $a(EXLCZ)994330000001235018 100 $a20050516d2005 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 00$aGeochemical characterization of water, sediment, and biota affected by mercury contamination and acidic drainage from historical gold mining, Greenhorn Creek, Nevada County, California, 1999-2001$b[electronic resource] /$fby Charles N. Alpers ... [and others] ; prepared in cooperation with the Bureau of Land Management ... [and others] 210 1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2005. 215 $axiv, 278 pages $cdigital, PDF file 225 1 $aScientific investigations report ;$v2004-5251 300 $aTitle from PDF title screen (viewed on May 16, 2005). 320 $aIncludes bibliographical references (pages 67-69). 606 $aMercury$xEnvironmental aspects$zCalifornia$zNevada County 606 $aMethylmercury$xEnvironmental aspects$zCalifornia$zNevada County 606 $aAcid mine drainage$zCalifornia$zNevada County 606 $aGold mines and mining$xEnvironmental aspects$zCalifornia$zNevada County 615 0$aMercury$xEnvironmental aspects 615 0$aMethylmercury$xEnvironmental aspects 615 0$aAcid mine drainage 615 0$aGold mines and mining$xEnvironmental aspects 701 $aAlpers$b Charles N.$f1958-$01383732 712 02$aUnited States.$bBureau of Land Management. 712 02$aGeological Survey (U.S.) 801 0$bGIS 801 1$bGIS 801 2$bOCL 801 2$bGPO 906 $aBOOK 912 $a9910698548903321 996 $aGeochemical characterization of water, sediment, and biota affected by mercury contamination and acidic drainage from historical gold mining, Greenhorn Creek, Nevada County, California, 1999-2001$93472264 997 $aUNINA