02019oam 2200517 450 991071692010332120220111103000.0(CKB)5470000002526998(OCoLC)712654728(EXLCZ)99547000000252699820110414d2011 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierEffects of natural and human factors on groundwater quality of basin-fill aquifers in the southwestern United States conceptual models for selected contaminants /by Laura M. Bexfield [and four others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2011.1 online resource (viii, 90 pages) color illustrations, color mapsScientific investigations report ;2011-5020"National Water-Quality Assessment Program."Includes bibliographical references (pages 88-90).Effects of natural and human factors on groundwater quality of basin-fill aquifers in the southwestern United States GroundwaterQualitySouthwestern StatesWater qualitySouthwestern StatesGroundwaterQualityfastWater qualityfastUnited StatesSouthwestern StatesfastGroundwaterQualityWater qualityGroundwaterQuality.Water quality.Bexfield Laura M.1390175Geological Survey (U.S.),National Water-Quality Assessment Program (U.S.)AZSAZSOCLCQOCLCFOCLCQOCLCAGPOBOOK9910716920103321Effects of natural and human factors on groundwater quality of basin-fill aquifers in the southwestern United States3452251UNINA