Title: Chlorofluorocarbon and tritium age determination of ground-water recharge in the Ryan Flat subbasin, Trans-Pecos Texas
Subjects: Chlorofluorocarbons, Groundwater, Groundwater flow, Groundwater tracers, Hydrogeology, Radioactive dating, Tritium dating, Water-supply
Places: El Paso, Texas, Trans-Pecos (Tex. and N.M.), Valentine Region (Tex.)