02673oam 2200649 450 991071654340332120210914114837.0(CKB)5470000002522722(OCoLC)681427231(OCoLC)631819889(OCoLC)667889701(OCoLC)984765536(OCoLC)1153330236(OCoLC)995470000002522722(EXLCZ)99547000000252272220101115d1997 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of nitrate sources using nitrogen-isotope techniques in shallow ground water within selected lake basins in the Central Lakes District, Polk and Highlands counties, Florida /by A.B. Tihansky and L.A. Sacks ; prepared in cooperation with the Florida Department of Environmental ProtectionTallahassee, Florida :U.S. Geological Survey,1997.1 online resource (iv, 28 pages) illustrations, mapWater-resources investigations report ;97-4207Includes bibliographical references (pages 21-22).GroundwaterPollutionFloridaPolk CountyGroundwaterPollutionFloridaHighlands CountyNitratesEnvironmental aspectsFloridaPolk CountyNitratesEnvironmental aspectsFloridaHighlands CountyBasins (Geology)FloridaPolk CountyBasins (Geology)FloridaHighlands CountyGroundwaterPollutionfastNitratesEnvironmental aspectsfastFloridaHighlands CountyfastFloridaPolk CountyfastGroundwaterPollutionGroundwaterPollutionNitratesEnvironmental aspectsNitratesEnvironmental aspectsBasins (Geology)Basins (Geology)GroundwaterPollution.NitratesEnvironmental aspects.Tihansky A. B(Ann B.),1404737Sacks Laura A.Geological Survey (U.S.),Florida.Department of Environmental Protection.OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQCOPOCLCAGPOBOOK9910716543403321Evaluation of nitrate sources using nitrogen-isotope techniques in shallow ground water within selected lake basins in the Central Lakes District, Polk and Highlands counties, Florida3481350UNINA