03116oam 2200865 450 991071663340332120210914125521.0(CKB)5470000002523833(OCoLC)681437181(OCoLC)622216041(OCoLC)667886810(OCoLC)984765268(OCoLC)995470000002523833(EXLCZ)99547000000252383320101115d1997 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierChlorofluorocarbon and tritium age determination of ground-water recharge in the Ryan Flat subbasin, Trans-Pecos Texas /by James R. Bartolino ; prepared in cooperation with the Texas Water Development Board and the El Paso Water Utilities Public Service BoardAlbuquerque, New Mexico :U.S. Geological Survey,1997.1 online resource (iv, 29 pages) illustrations, mapsWater-resources investigations report ;96-4245Includes bibliographical references (pages 19-20).Ground-water recharge in the Ryan Flat subbasin, Trans-Pecos TexasGroundwaterTrans-Pecos (Tex. and N.M.)Groundwater tracersTrans-Pecos (Tex. and N.M.)Groundwater rechargeTrans-Pecos (Tex. and N.M.)Groundwater flowTrans-Pecos (Tex. and N.M.)HydrogeologyTrans-Pecos (Tex. and N.M.)ChlorofluorocarbonsTritium datingRadioactive datingTexasChlorofluorocarbonsfastGroundwaterfastGroundwater flowfastGroundwater tracersfastHydrogeologyfastRadioactive datingfastTritium datingfastWater-supplyfastTexasfastTexasEl PasofastUnited StatesTrans-PecosfastGroundwaterGroundwater tracersGroundwater rechargeGroundwater flowHydrogeologyChlorofluorocarbons.Tritium dating.Radioactive datingChlorofluorocarbons.Groundwater.Groundwater flow.Groundwater tracers.Hydrogeology.Radioactive dating.Tritium dating.Water-supply.Bartolino James R.1391155Geological Survey (U.S.),Texas Water Development Board.El Paso (Tex.).Water Utilities and Public Service Board.OCLCEOCLCEOCLCQOCLCOOCLCQCOPOCLCAOCLCFGPOBOOK9910716633403321Chlorofluorocarbon and tritium age determination of ground-water recharge in the Ryan Flat subbasin, Trans-Pecos Texas3467088UNINA