1. National water quality assessment of the Georgia-Florida Coastal Plain Study Unit : water withdrawals and treated wastewater discharges, 1990 Author/Creator: Marella, Richard L., author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
2. Natural attenuation of chlorinated volatile organic compounds in a freshwater tidal wetland, Aberdeen Proving Ground, Maryland Author/Creator: Lorah, Michelle M., author Publication/Creation: Baltimore, Maryland : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
3. Nitrate and pesticides in surficial aquifers and trophic state and phosphorus sources for selected lakes, eastern Otter Tail County, west-central Minnesota, 1993-96 Author/Creator: Ruhl, J. F., author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
4. Nitrate and selected pesticides in ground water of the Mid-Atlantic region Author/Creator: Ator, Scott W., author Publication/Creation: Baltimore, Maryland : United States Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
5. Nitrate in ground water and stream base flow in the Lower Susquehanna River Basin, Pennsylvania and Maryland Author/Creator: Lindsey, Bruce D., 1962- author Publication/Creation: Lemoyne, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
6. Nitrate (NO₂+NO₃-N) in ground water of the Upper Snake River Basin, Idaho and western Wyoming, 1991-95 Author/Creator: Rupert, Michael, 1959- author Publication/Creation: Boise, Idaho : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
7. Nitrogen and pesticide concentrations in an agricultural basin in north-central Connecticut Author/Creator: Mullaney, John R., author Publication/Creation: Marlborough, Massachusetts : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
8. Numerical simulation of ground-water flow paths and discharge locations at Puget Sound Naval Shipyard, Bremerton, Washington Author/Creator: Pyrch, Edmund A., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
9. Nutrient sources and analysis of nutrient water-quality data, Apalachicola-Chattahoochee-Flint River basin, Georgia, Alabama, and Florida, 1972-90 Author/Creator: Frick, Elizabeth A. Publication/Creation: Atlanta, Ga. : U.S. Dept. of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
10. Nutrients and pesticides in ground water of the Ozark Plateaus in Arkansas, Kansas, Missouri, and Oklahoma Author/Creator: Adamski, James C., author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading