01659nam 2200397 a 450 991069962390332120101228153229.0(CKB)5470000002404700(OCoLC)694456930(EXLCZ)99547000000240470020101228d2010 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierRelations that affect the probability and prediction of nitrate concentration in private wells in the glacial aquifer system in the United States[electronic resource] /by Kelly L. Warner and Terri L. ArnoldReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2010.1 online resource (xi, 73 pages) illustrations (some color), color mapsScientific investigations report ;2010-5100Title from PDF title screen (USGS, viewed Dec. 20, 2010)."National Water-Quality Assessment Program."Includes bibliographical references (pages 51-54).NitratesEnvironmental aspectsAquifersUnited StatesNitratesEnvironmental aspects.AquifersWarner Kelly L1392998Arnold Terri L1395635National Water-Quality Assessment Program (U.S.)GPOGPOBOOK9910699623903321Relations that affect the probability and prediction of nitrate concentration in private wells in the glacial aquifer system in the United States3540075UNINA