1. Map showing outcrops of ash-flow tuffs, basin and range province and vicinity, Trans-Pecos Texas 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
2. Nitrogen, sulfate, chloride, and manganese in ground water in the alluvial deposits of the South Platte River Valley near Greeley, Weld County, Colorado 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. Preliminary map showing the difference between the potentiometric surfaces of the Aquia aquifer of September 1982 and September 1984 in southern Maryland Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : United States Department of the Interior, Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
4. Preliminary map showing the potentiometric surface of the Aquia aquifer in southern Maryland, September 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : U.S. Department of the Interior, U.S. Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
5. Flood of October 1983 in southeastern Arizona-areas of inundation in selected reaches along the Gila River 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
6. Ground-water levels in three basalt hydrologic units underlying the Columbia Plateau, Washington and Oregon, spring 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : Department of the Interior, United Stattes Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
7. Potentiometric surface of the Floridan aquifer system in the Northwest Florida Water Management District, May 1985 Author/Creator: Rosenau, Jack C., author Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
8. Potentiometric surface of the Floridan aquifer system in the Suwannee River Water Management District, Florida, May 1985 Author/Creator: Rosenau, Jack C., author Publication/Creation: Tallahassee, Fla : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
9. Potentiometric-surface map of the Wyodak-Anderson Coal Bed, Powder River Structural Basin, Wyoming, 1973-84 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Cheyenne, Wyoming : U.S. Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
10. Availability of ground water in the unconsolidated aquifers in the Mid-Hudson River Basin, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : United States Department of the Interior, Geological Survey, 1987 Resource Type: Map Access & Availability: Loading