1. Summary of hydrologic data for the San Gabriel River Basin and Edwards Aquifer, Georgetown area, Texas, water year 1990 Author/Creator: Reeves, William E. Publication/Creation: Austin, Tex. : The Survey, 1992 Resource Type: Map Access & Availability: Loading
2. Susceptibility of ground water to surface and shallow sources of contamination in Mississippi Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading