31. Depth to water in the western Snake River Plain and surrounding tributary valleys, southwestern Idaho and eastern Oregon, calculated using water levels from 1980 to 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Boise, Idaho : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Map Access & Availability: Loading
32. Geology, structure, and thickness of hydrogeologic units in part of the Columbia Plateau, Oregon Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Portland, Oregon : Department of the Interior, United States Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
33. Water withdrawals in the Roanoke-Chowan subregion of North Carolina and Virginia, 1983 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Raleigh, North Carolina : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
34. Potentiometric surface of the Magothy aquifer in southern Maryland during September 1988 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
35. Geohydrology of the Morrison Formation in the western San Juan Basin, New Mexico Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albuquerque, New Mexico : U.S. Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Map Access & Availability: Loading
36. Potentiometric surface of the Magothy aquifer in southern Maryland during the fall of 1987 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Towson, Maryland : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
37. Ground-water levels spring 1985, and ground-water level changes spring 1983 to spring 1985, in three basalt units underlying the Columbia Plateau, Washington and Oregon Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tacoma, Washington : Department of the Interior, United States Geological Survey, 1989 Resource Type: Map Access & Availability: Loading
38. Areal variation in recharge to and discharge from the Floridan aquifer system in Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Tallahassee, Florida : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
39. Potential yields of wells in unconsolidated aquifers in upstate New York--Lower Hudson sheet Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : United States Department of the Interior, United States Geological Survey, 1988 Resource Type: Map Access & Availability: Loading
40. Potential yields of wells in unconsolidated aquifers in upstate New York--Hudson-Mohawk sheet Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Albany, New York : United States Department of the Interior, United States Geological Survey, 1988 Resource Type: Map Access & Availability: Loading