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 Resource Type: 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 Resource Type: Book Access & Availability: Loading
3. 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 Resource Type: Book Access & Availability: Loading
4. 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 Resource Type: Map Access & Availability: Loading
5. 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 Resource Type: Map Access & Availability: Loading
6. 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 Resource Type: Map Access & Availability: Loading
7. 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 Resource Type: Map Edition: [Water-resources investigations edition]. Access & Availability: Loading
8. 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 Resource Type: Map Access & Availability: Loading
9. 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 Resource Type: Map Access & Availability: Loading
10. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Fort Pillow aquifer in western Tennessee Author/Creator: Parks, William Scott, author Publication/Creation: Memphis, Tennessee : U.S. Geological Survey, 1990 Resource Type: Book Access & Availability: Loading