01532nam 2200397Ia 450 991069779890332120100219160317.0(CKB)5470000002390979(OCoLC)263181123(EXLCZ)99547000000239097920081023d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierDissolved solids in basin-fill aquifers and streams in the southwestern United States[electronic resource] executive summary /David W. Anning[Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,2008.4 unnumbered pages digital, PDF fileUSGS fact sheet ;2008-3076Title from title screen (viewed on Oct. 22, 2008)."National Water-Quality Assessment Program."Dissolved solids in basin-fill aquifers and streams in the southwestern United States Water qualitySouthwestern StatesGroundwaterPollutionSouthwestern StatesWater qualityGroundwaterPollutionAnning David W1390500National Water-Quality Assessment Program (U.S.)Geological Survey (U.S.)GPOGPOBOOK9910697798903321Dissolved solids in basin-fill aquifers and streams in the southwestern United States3479652UNINA01580nam 2200385Ka 450 991069721750332120080801092518.0(CKB)5470000002386751(OCoLC)237181965(EXLCZ)99547000000238675120080801d2003 ua 0engtxtrdacontentcrdamediacrrdacarrierResidence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed[electronic resource] /by Bruce D. Lindsey ... [and others] ; in cooperation with the Chesapeake Bay ProgramNew Cumberland, Pa. :U.S. Dept. of the Interior, U.S. Geological Survey,2003.xiv, 201 pages digital, PDF fileWater-resources investigations report ;03-4035Title from title screen (viewed Aug. 1, 2008).NitratesEnvironmental aspectsChesapeake Bay WatershedGroundwaterPollutionChesapeake Bay WatershedGroundwater flowChesapeake Bay WatershedNitratesEnvironmental aspectsGroundwaterPollutionGroundwater flowLindsey Bruce D.1962-1391410Chesapeake Bay Program (U.S.)Geological Survey (U.S.)GPOGPOBOOK9910697217503321Residence times and nitrate transport in ground water discharging to streams in the Chesapeake Bay Watershed3542345UNINA