LEADER 01900nam  2200409Ka 450 
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035   $a(CKB)5470000002387822
035   $a(OCoLC)244096598
035   $a(EXLCZ)995470000002387822
100   $a20080819d2008      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aMercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California$b[electronic resource] $ereport of investigations, 2001-2003 /$fby Roger P. Ashley and James J. Rytuba
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2008.
215   $aviii, 65 pages $cdigital, PDF file
225 1 $aOpen-file report ;$v2008-1122
300   $aTitle from title screen (viewed on Aug. 18, 2008).
320   $aIncludes bibliographical references.
517   $aMercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California 
606   $aMercury$xEnvironmental aspects$zCalifornia$zShasta County
606   $aPlacer mining$xEnvironmental aspects$zCalifornia$zShasta County
606   $aGold mines and mining$xEnvironmental aspects$zCalifornia$zShasta County
615  0$aMercury$xEnvironmental aspects
615  0$aPlacer mining$xEnvironmental aspects
615  0$aGold mines and mining$xEnvironmental aspects
700   $aAshley$b Roger P$g(Roger Parkmand),$f1940-$01385013
701   $aRytuba$b James J$01381101
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910697311403321
996   $aMercury geochemistry of gold placer tailings, sediments, bedrock, and waters in the lower Clear Creek Area, Shasta County, California$93524580
997   $aUNINA