01947oam 2200553 450 991071373330332120200806111423.0(CKB)5470000002504353(OCoLC)985367125(OCoLC)995470000002504353(EXLCZ)99547000000250435320170503d1998 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierNitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-96 /by A.H. ChenLincoln, Nebraska :U.S. Geological Survey,1998.1 online resource (11 pages) illustrations, mapsWater-resources investigations report ;98-4106"Prepared in cooperation with the Nemaha Natural Resources District."Includes bibliographical references (pages 11).GroundwaterPollutionNebraskaNitratesWaterNitrogen contentGroundwaterPollutionfastNitratesfastWaterNitrogen contentfastNebraskafastGroundwaterPollutionNitrates.WaterNitrogen content.GroundwaterPollution.Nitrates.WaterNitrogen content.Chen Abraham H.1381041Geological Survey (U.S.),Nemaha Natural Resources District.COPCOPOCLCOOCLCFOCLCAGPOBOOK9910713733303321Nitrate concentrations in ground water in the paleovalley alluvial aquifers of the Nemaha Natural Resources District, Nebraska, 1989 and 1994-963487023UNINA