1. 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
2. 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
3. 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
4. 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
5. 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
6. 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
7. Altitude of potentiometric surface, fall 1985, and historic water-level changes in the Memphis 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
8. Altitude of the base of freshwater in Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : Department of the Interior, United States Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
9. Altitude of the potentiometric surface and changes in water levels in the Sparta-Memphis aquifer in eastern and southern Arkansas, spring 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
10. Altitude of the potentiometric surface in the Manchester Aquifer at Arnold Air Force Base, May 1991, Coffee and Franklin counties, Tennessee Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Nashville, Tennessee : U.S. Department of the Interior, U.S. Geological Survey, 1993 Resource Type: Map Access & Availability: Loading