1. Airborne electromagnetic mapping of the base of aquifer in areas of western Nebraska Author/Creator: Abraham, Jared D., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
2. Alluvial and bedrock aquifers of the Denver basin-eastern Colorado's dual ground-water resources Author/Creator: Robson, Stanley G. Publication/Creation: Denver, CO : Dept. of the Interior, U.S. Geological Survey ; [Washington, D.C.] : U.S. G.P.O., 1988 Format: Book Access & Availability: Loading
3. Alternativas para el manejo integral de aguas subterráneas en las zonas de expansión occidental de la ciudad de Pereira Author/Creator: Paredes Cuervo, Diego, 1965- author Publication/Creation: Pereira : Universidad Tecnológica de Pereira : Editorial UTP, 2016 Format: Book Edition: Primera edición. Access & Availability: Loading
4. Altitude, age, and quality of groundwater, Papio-Missouri River Natural Resources District, eastern Nebraska, 1992-2009 Author/Creator: McGuire, Virginia L., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Format: Book Access & Availability: Loading
5. Altitude and configuration of the potentiometric surface in Springfield Township, Bucks County, Pennsylvania, April 1991 through October 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
6. Altitude and configuration of the potentiometric surface in the crystalline and metasedimentary rocks, northeastern Chester County, Pennsylvania, May through October 1990 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Lemoyne, Pa.] : U.S. Department of the Interior, U.S. Geological Survey, 1992 Format: Map Access & Availability: Loading
7. Altitude and configuration of the potentiometric surfaces of the upper and lower aquifer systems in Bridgeton, Nockamixon, and Tinicum townships, Bucks County, Pennsylvania, April 1991 through April 1992 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
8. Altitude and configuration of the water table in the High Plains aquifer in Kansas, 1980 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : Department of the Interior, United States Geological Survey, 1985 Format: Map Edition: [Water-resources investigations edition]. Access & Availability: Loading
9. Altitude and generalized configuration of the top of the Floridan aquifer, St. Johns County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, United States Geological Survey, 1984 Format: Map Access & Availability: Loading
10. Altitude, depth, and thickness of the Galena-Platteville bedrock unit in the subcrop area of Illinois and Wisconsin Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Format: Map Access & Availability: Loading