1. Geologic framework and hydrostratigraphy of the Edwards and Trinity Aquifers within Hays County, Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Map Access & Availability: Loading
2. 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 Resource Type: Map Access & Availability: Loading
3. 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 Resource Type: Map Access & Availability: Loading
4. Potentiometric surface, 2014-15, and water-level differences, 2009 to 2014-15, in the Chicot equivalent aquifer system in Southeastern Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2022 Resource Type: Map Access & Availability: Loading
5. Distribution of hydrogeologic units in the Black Hills area, South Dakota Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : Information Services [distributor] Resource Type: Map Access & Availability: Loading
6. Distribution of oil and natural-gas wells in relation to ground-water flow systems in the Great Basin region of Nevada and Utah, and adjacent states Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Information Services Resource Type: Map Access & Availability: Loading
7. Hydrogeologic maps of the central Oklahoma aquifer, Oklahoma Author/Creator: Geological Survey (U.S.) Publication/Creation: Denver, CO : For sale by Map Distribution Resource Type: Map Access & Availability: Loading
8. Hydrogeologic terranes and potential yield of water to wells in the Valley and Ridge Physiographic Province in Maryland, New Jersey, and Pennsylvania Author/Creator: Geological Survey (U.S.) Publication/Creation: Reston, Va. : The Survey, 1996 Resource Type: Map Access & Availability: Loading
9. Hydrogeology of structurally extended terrain in the eastern Great Basin of Nevada, Utah, and adjacent states, from geologic and geophysical models Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, 1996 Resource Type: Map Access & Availability: Loading
10. Potentiometric surfaces, altitudes of the tops, and hydrogeology of the Minnelusa and Madison Aquifers, Black Hills area, Wyoming Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : U.S. Geological Survey, 2002 Resource Type: Map Access & Availability: Loading