21. 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
22. Bathymetry and selected perspective views of Crater Lake, Oregon 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
23. 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
24. 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
25. 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
26. Bathymetric survey of Cross Lake, Caddo Parish, Louisiana, April through June 1996 Author/Creator: McGee, Benton D. Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Map Access & Availability: Loading
27. Unconsolidated aquifers in Tompkins County, New York Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Map Access & Availability: Loading
28. Assessment of the effect of road construction and other modifications on surface-water flow at St. Vincent National Wildlife Refuge, Franklin County, Florida Author/Creator: Davis, J. Hal Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Map Access & Availability: Loading
29. Time of travel of solutes in Buffalo Bayou and selected tributaries, Houston, Texas, August 1999 Author/Creator: Geological Survey (U.S.) Publication/Creation: [Austin, Tex.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Map Access & Availability: Loading
30. Spatial distribution, temporal variability, and chemistry of the salt wedge in the lower Charles River, Massachusetts, June 1998 to July 1999 Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Map Access & Availability: Loading