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200 10$aAssessment of hydrology, water quality, and trace elements in selected placer-mined creeks in the Birch Creek watershed near Central, Alaska, 2001-05$b[electronic resource] /$fby Ben W. Kennedy and Dustin E. Langley ; prepared in cooperation with the Bureau of Land Management
210  1$aReston, Va. :$cU.S. Geological Survey,$d2007.
215   $aviii, 50 pages $cdigital, PDF file
225 1 $aScientific investigations report ;$v2007-5124
300   $aTitle from PDF title screen (viewed on Aug. 7, 2007).
320   $aIncludes bibliographical references (pages 38-40).
606   $aPlacer mining$xEnvironmental aspects$zAlaska$zBirch Creek Watershed (Yukon-Koyukuk Census Area)
606   $aHydrology$zAlaska$zBirch Creek Watershed (Yukon-Koyukuk Census Area)
606   $aWater quality$zAlaska$zBirch Creek Watershed (Yukon-Koyukuk Census Area)
606   $aTrace elements$xEnvironmental aspects$zAlaska$zBirch Creek Watershed (Yukon-Koyukuk Census Area)
615  0$aPlacer mining$xEnvironmental aspects
615  0$aHydrology
615  0$aWater quality
615  0$aTrace elements$xEnvironmental aspects
700   $aKennedy$b Ben W$01382493
701   $aLangley$b Dustin E$01381043
712 02$aUnited States.$bBureau of Land Management.
712 02$aGeological Survey (U.S.)
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801  1$bGIS
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906   $aBOOK
912   $a9910695912203321
996   $aAssessment of hydrology, water quality, and trace elements in selected placer-mined creeks in the Birch Creek watershed near Central, Alaska, 2001-05$93543103
997   $aUNINA

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