1. Map showing outcrops of granitic rocks and silicic, shallow-intrusive rocks, basin and range province, northern California 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. Map showing outcrops of pre-quaternary ash-flow tuffs and volcani-clastic rocks, basin and range province, Nevada 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. Map showing outcrops of pre-quaternary ash-flow tuffs and volcaniclastic rocks, basin and range province, Northern California 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
4. Map showing outcrops of pre-quaternary basaltic rocks, basin and range province, Oregon 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
5. Maps of the Bonsall area of the San Luis Rey River Valley, San Diego County, California showing geology, hydrology, and ground-water quality 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. Maps of the Bonsall area of the San Luis Rey River Valley, San Diego County, California showing geology, hydrology, and ground-water quality Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Sacramento, Calif.] : Department of the Interior, United States Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
7. Maps showing altitude of the potentiometric surface and changes in water level of the Sparta sand and Memphis sand aquifers in Eastern Arkansas, spring 1984 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Ark. : U.S. Geological Survey, [1985] Resource Type: Map Access & Availability: Loading
8. Maps showing altitude of the potentiometric surface and changes in water level of the Sparta sand and Memphis sand aquifers in eastern Arkansas, spring 1985 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Little Rock, Arkansas] : Department of the Interior, United States Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
9. Maps showing ground-water conditions in the Cottonwood Creek area, Shasta and Tehama Counties, California, 1983-84 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
10. Mean annual runoff in Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : Department of the Interior, United States Geological Survey, 1986 Resource Type: Map Access & Availability: Loading