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200 10$aStream water quality in coal mined areas of the lower Cheat River Basin, West Virginia and Pennsylvania, during low-flow conditions, July 1997 /$fby Donald R. Williams, Mary E. Clark, and Juliane B. Brown
210  1$a[Pittsburgh, Pennsylvania] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1999.
215   $a1 online resource (8 pages) $ccolor illustrations, maps (some color)
225 1 $aWater-resources investigations report ;$v98-4258
300   $a"March 1999."
320   $aIncludes bibliographical references [page 8].
606   $aAcid mine drainage$xEnvironmental aspects$zCheat River Watershed (W. Va. and Pa.)
606   $aCoal mines and mining$xEnvironmental aspects$zCheat River Watershed (W. Va. and Pa.)
606   $aWater quality$zCheat River Watershed (W. Va. and Pa.)
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702   $aClark$b Mary E.
702   $aBrown$b Juliane B.
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