1. National Water-Quality Assessment of the Lake Erie-Lake St. Clair Basin, Michigan, Indiana, Ohio, Pennsylvania, and New York : environmental and hydrologic setting Author/Creator: Casey, George D., author Publication/Creation: Columbus, Ohio : U.S. Department of the Interior, U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
2. Natural and human factors affecting shallow water quality in surficial aquifers in the Connecticut, Housatonic, and Thames River basins Author/Creator: Grady, Stephen J., author Publication/Creation: Marlborough, Massachusetts : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Nitrate and pesticides in ground water of the eastern San Joaquin Valley, California : occurrence and trends Author/Creator: Burow, Karen R., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
4. Nitrate concentrations, 1936-99, and pesticide concentrations, 1990-99, in the unconfined aquifer in the San Luis Valley, Colorado Author/Creator: Stogner, Robert W., author Publication/Creation: Albuquerque, New Mexico : U.S. Geological Survey, 2001 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, volatile organic compounds, and pesticides in ground water--a summary of selected studies from New Jersey and Long Island, New York Publication/Creation: West Trenton, N.J. : U.S. Dept. of the Interior, U.S. Geological Survey, 1999 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. Nitrogen and phosphorus concentrations and fluxes of streams in the Mississippi Embayment Study Unit, 1996-98 Author/Creator: Coupe, Richard H. 1954- (Richard Henry), author Publication/Creation: Pearl, Mississippi : U.S. Department of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
9. Nitrogen and phosphorus in streams of the Great Miami River Basin, Ohio, 1998-2000 Author/Creator: Reutter, David C. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
10. Nutrient and chlorophyll relations in selected streams of the New England Coastal Basins in Massachusetts and New Hampshire, June-September 2001 Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
11. 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
12. 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., author Publication/Creation: Atlanta, Georgia : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
13. Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins Author/Creator: Trench, Elaine C. Todd, author Publication/Creation: Northborough, Massachusetts : U.S. Deptartment of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
14. Nutrients and organic compounds in Deer Creek and South Branch Plum Creek in southwestern Pennsylvania, April 1996 through September 1998 Author/Creator: Williams, Donald R. (Hydrologist), author Publication/Creation: New Cumberland, Pennsylvania : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
15. 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
16. Nutrients and suspended sediment in snowmelt runoff from part of the upper Mississippi River basin, Minnesota and Wisconsin, 1997 Author/Creator: Fallon, James D. Publication/Creation: Mounds View, Minn. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
17. Nutrients and suspended solids in surface waters of the upper Illinois River basin in Illinois, Indiana, and Wisconsin, 1978-97 Author/Creator: Sullivan, D. J. (Daniel J.) Publication/Creation: Middleton, Wis. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
18. Nutrients in shallow ground waters beneath relatively undeveloped areas in the conterminous United States Author/Creator: Nolan, Bernard T., 1954- Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
19. Nutrients in waters of the Santee River Basin and coastal drainages, North and South Carolina, 1973-93 Author/Creator: Maluk, Terry L., author Publication/Creation: Columbia, South Carolina : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
20. Nutrients, suspended sediment, and pesticides in streams in the Red River of the North basin, Minnesota, North Dakota, and South Dakota, 1993-95 Author/Creator: Tornes, L. H. (Lan H.), author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading