431. 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 Resource Type: Map Access & Availability: Loading
432. Hydrology and trophic ecology of Walden Pond, Concord, Massachusetts Author/Creator: Friesz, Paul J. Publication/Creation: Reston, VA : U.S. Dept. of the Interior, U.S. Geological Survey, [2001] Resource Type: Map Access & Availability: Loading
433. Louisiana ground-water map no. 12 : potentiometric surface of the Chicot Aquifer system in southwestern Louisiana, June 2000 Author/Creator: Lovelace, John K. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Access & Availability: Loading
434. Predevelopment water-level map of the Santa Fe Group aquifer system in the middle Rio Grande Basin between Cochiti Lake and San Acacia, New Mexico Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2001] Resource Type: Map Access & Availability: Loading
435. Predevelopment water-level map of the Santa Fe Group aquifer system in the middle Rio Grande Basin between Cochiti Lake and San Acacia, New Mexico Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : The Survey, [2001?] Resource Type: Map Access & Availability: Loading
436. Susceptibility index to surface contamination for the Little Cross Creek Watershed, Cumberland County, North Carolina Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Access & Availability: Loading
437. Water levels in, extent of freshwater in, and water withdrawals from ten confined aquifers, New Jersey and Delaware coastal plain, 1998 Author/Creator: Geological Survey (U.S.) Publication/Creation: [West Trenton, N.J.] : The Survey, 2001 Resource Type: Map Access & Availability: Loading
438. Water levels in, extent of freshwater in, and water withdrawals from ten confined aquifers, New Jersey and Delaware coastal plain, 1998 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [West Trenton, N.J.] : U.S. Department of the Inteiror, U.S. Geological Survey, 2001 Resource Type: Map Access & Availability: Loading
439. Bathymetry and selected perspective views offshore, greater Los Angeles, California Author/Creator: Gardner, James V., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2002 Resource Type: Map Access & Availability: Loading
440. Hydrogeologic framework and geochemistry of ground water and petroleum in the Silurian-Devonian carbonate aquifer, south-central Louisville, Kentucky Author/Creator: Geological Survey (U.S.) Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Map Access & Availability: Loading