31. Geologic structure and altitude of the top of the Minnelusa Formation and orientation of mapped cave passages in the Madison Limestone, southern Black Hills, South Dakota Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Huron, South Dakota : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
32. Ground-water conditions in and near the Salt River Indian Reservation, south-central Arizona Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tucson, Arizona : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
33. Ground-water levels and flow in the vicinity of Wright-Patterson Air Force Base, Ohio, October - December 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1992 Resource Type: Map Access & Availability: Loading
34. Geohydrology of the High Plains Aquifer system, Cheyenne urban area, Wyoming, 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Cheyenne, Wyoming : U.S. Department of the Interior, U.S. Geological Survey, 1994 Resource Type: Map Access & Availability: Loading
35. Geohydrologic conditions and land use in the Gallatin Valley, southwestern Montana, 1992-93 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Helena, Montana : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
36. Ground-water levels in and pumpage from the alluvial aquifer at Louisville, Kentucky, May 1989 - May 1991 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Louisville, Kentucky : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
37. Ground-water recharge in Escambia and Santa Rosa Counties, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : U.S. Department of the Interior, U.S. Geological Survey, 1995 Resource Type: Map Access & Availability: Loading
38. Geohydrologic units and water-level conditions in the Terrace alluvial aquifer and Paluxy aquifer, May 1993 and February 1994, near Air Force Plant 4, Forth Worth area, Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
39. Geohydrology of the North Park area, Jackson County, Colorado Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
40. Geohydrology, yield, and water quality of stratified-drift aquifers in the Pemigewasset River Basin, central New Hampshire Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Pembroke, New Hampshire : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading