02733oem 2200697I 450 991070372780332120151123094549.0(CKB)5470000002434446(OCoLC)910731050(EXLCZ)99547000000243444620150605d2012 ua engb||||||||||||||aa|||||durcn|||||||||crirdacontentcrdamediacrrdacarrierMaps of estimated nitrate and arsenic concentrations for basin-fill aquifers of the Southwestern United States /by Kimberly R. Beisner [and six others]Reston, Va. :U.S. Department of the Interior, U.S. Geological Survey,2012.1 online resource (2 maps) color +1 pamphlet (iv, 8 pages)Scientific investigations map ;3234Title from title screen (viewed on May 21, 2015)."National Water-Quality Assessment Program."Includes text and location map.Includes bibliographical references.Observed and predicted nitrate concentrations in basin-fill aquifers of the Southwest Principal Aquifers study areaObserved and predicted arsenic concentrations in basin-fill aquifers of the Southwest Principal Aquifers study areaGroundwaterPollutionSouthwestern StatesMapsAquifersSouthwestern StatesMapsNitratesEnvironmental aspectsSouthwestern StatesMapsArsenicEnvironmental aspectsSouthwestern StatesMapsAquifersfastArsenicEnvironmental aspectsfastGroundwaterPollutionfastNitratesEnvironmental aspectsfastUnited StatesSouthwestern StatesfastMaps.fastMaps.lcgftGroundwaterPollutionAquifersNitratesEnvironmental aspectsArsenicEnvironmental aspectsAquifers.ArsenicEnvironmental aspects.GroundwaterPollution.NitratesEnvironmental aspects.Beisner Kimberly R.1399743Geological Survey (U.S.),National Water-Quality Assessment Program (U.S.),GPOGPOOCLCOOCLCFOCLCOGPOBOOK9910703727803321Maps of estimated nitrate and arsenic concentrations for basin-fill aquifers of the Southwestern United States3518779UNINA