Skousen J author Jenkins M author 2001 acid mine drainage chemical composition Clay County West Virginia coal mines cost decontamination ground water instruments lime Mary Ruth Mines mines pollution Preston County West Virginia remediation sludge surface water techniques United States water pollution water treatment West Virginia 22 Environmental geology Acid mine drainage treatment costs with calcium oxide and the Aquafix machine; 2002-045348; illus. United States (USA); GeoRef; English exported from refbase (https://www.Wolkersdorfer.info/gard/refbase/show.php?record=246), last updated on Thu, 14 Oct 2010 06:38:19 +0200 text Skousen+Jenkins2001 CBU @ c.wolke @ 5759 2001 continuing periodical academic journal 31 3 46 51 0271-0110