31. 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
32. 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
33. 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
34. 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
35. 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
36. Occurrence of saltwater in the alluvial aquifer in the Boeuf-Tensas Basin, Arkansas 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
37. Percentage change in saturated thickness of the High Plains aquifer, west-central Kansas, 1950 to average 1983-85 Author/Creator: Dague, Barbara J., author Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading
38. Potentiometric map of the Meridian-Upper Wilcox aquifer in Mississippi, fall 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Jackson, Miss.] : Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading
39. Potentiometric map of the Ripley aquifers in northeastern Mississippi, Fall 1982 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
40. Potentiometric surface, ground-water withdrawals, and recharge area for the Eutaw aquifer in Alabama, Fall 1982 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tuscaloosa, Alabama : U.S. Department of the Interior, U.S. Geological Survey, 1986 Resource Type: Map Access & Availability: Loading