21. Potentiometric surface and hydrologic conditions of the upper aquifer in the Manati-Vega Baja area, north central Puerto Rico, March 1995 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Guaynabo, Puerto Rico : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
22. Water levels in, extent of freshwater in, and water withdrawal from eight major confined aquifers, New Jersey coastal plain, 1993 Author/Creator: Geological Survey (U.S.) Publication/Creation: West Trenton, N.J. : U.S. Dept. of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
23. Map showing water-table conditions and stream-aquifer interaction in the Hunt-Annaquatucket-Pettaquamscutt Aquifer, central Rhode Island, October 7-9, 1996 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Marlborough, Massachusetts : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
24. Thickness of the Mississippi River Valley alluvial aquifer in eastern Arkansas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Little Rock, Arkansas : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
25. Recharge areas and quality of ground water for the Glen Canyon and valley-fill aquifers, Spanish Valley area, Grand and San Juan counties, Utah Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Salt Lake City, Utah : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Map Access & Availability: Loading
26. Temporal changes in the configuration of the water table in the vicinity of the management systems evaluation area site, central Nebraska Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lincoln, Nebraska : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
27. 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
28. Louisiana ground-water map no, 9 : potentiometric surface, 1993, of the Cockfield aquifer in northern Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Baton Rouge, Louisiana : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
29. Data and water-table map of the Mojave River ground-water basin , San Bernardino County, California, November, 1992 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Sacramento, California : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading
30. Louisiana ground-water map no. 10 : potentiometric surface, 1991, of the Chicot Aquifer system in southwestern Louisiana Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Map Access & Availability: Loading