1. Historical potentiometric surface of the Edwards-Trinity Aquifer System and contiguous hydraulically connected units, west-central Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
2. Historical saturated thickness of the Edwards-Trinity aquifer system and selected contiguous hydraulically connected units, west-central Texas Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 1993 Format: Map Access & Availability: Loading
3. Hydrogeologic framework and ground-water levels, 1982 and 1996, middle Humboldt River Basin, north-central Nevada Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
4. Hydrogeologic framework and potentiometric surface of the Williamson Creek Aquifer "B" sand in the Fort Polk area, Vernon Parish, Louisiana, March 1997 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2001 Format: Map Access & Availability: Loading
5. Hydrogeologic interpretations from available ground-water data, Tutuila, American Samoa Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
6. Hydrologic maps of the High Plains Aquifer, southwestern Kansas, January 1986 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Lawrence, Kansas : Department of the Interior, U.S. Geological Survey, 1988 Format: Map Access & Availability: Loading
7. Hydrology and water quality of the Oljato alluvial aquifer, Monument Valley area, Utah and Arizona Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Salt Lake City, Utah : U.S. Department of the Interior, U.S. Geological Survey, 1999 Format: Map Access & Availability: Loading
8. Hydrology of the unconfined Kirkwood-Cohansey Aquifer System, Forked River and Cedar, Oyster, Mill, Westecunk, and Tuckerton Creek Basins and adjacent basins in the southern Ocean County area, New Jersey, 1998-99 Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2004 Format: Map Access & Availability: Loading
9. Hydrology of the unconfined Kirkwood-Cohansey Aquifer System, Forked River and Cedar, Oyster, Mill, Westecunk, and Tuckerton Creek Basins and adjacent basins in the southern Ocean County area, New Jersey, 1998-99 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Reston, Va.] : U.S. Department of the Interior, U.S. Geological Survey, 2004 Format: Map Access & Availability: Loading