1. Hydrogeologic and water-quality characteristics of the Cretaceous aquifer, southwestern Minnesota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Denver, Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Format: Map Access & Availability: Loading
2. Hydrogeologic interpretations from available ground-water data, Tutuila, American Samoa Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
3. Hydrogeology of the eastern part of the Salt River Valley area, Maricopa and Pinal counties, Arizona Author/Creator: Laney, R. L., author Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 1986 Format: Map Access & Availability: Loading
4. Revised potentiometric-surface map, Yucca Mountain and vicinity, Nevada Author/Creator: Ervin, E. M., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1994 Format: Book Access & Availability: Loading