02024oam 2200517 450 991071368530332120200616085055.0(CKB)5470000002502817(OCoLC)974646993(OCoLC)995470000002502817(EXLCZ)99547000000250281720170306d1991 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierGround-water hydrology and quality in the Valley and Ridge and Blue Ridge physiographic provinces of Clarke County, Virginia /by Winfield G. WrightRichmond, Va. :U.S. Geological Survey,1990.1 online resource (vi, 61 pages) illustrations, mapsWater-resources investigations report ;90-4134"Prepared in cooperation with the Clarke County Water-Study Committee and the Lord Fairfax Planning District Commission."Includes bibliographical references (pages 40-41).Ground water hydrology and quality in the Valley and Ridge and Blue Ridge physiographic provinces of Clarke County, VirginiaWater qualityVirginiaClarke CountyGroundwaterVirginiaClarke CountyGroundwaterfastWater qualityfastVirginiaClarke CountyfastWater qualityGroundwaterGroundwater.Water quality.Wright Winfield G.1396603Geological Survey (U.S.),Clarke County (Va.).Water-Study Committee.Lord Fairfax Planning District Commission.COPCOPOCLCOOCLCFGPOBOOK9910713685303321Ground-water hydrology and quality in the Valley and Ridge and Blue Ridge physiographic provinces of Clarke County, Virginia3541754UNINA