1. 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
2. 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
3. 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
4. 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
5. 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
6. 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
7. 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
8. 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
9. 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
10. Nutrients, suspended sediment, and pesticides in streams and irrigation systems in the Central Columbia Plateau in Washington and Idaho, 1959-1991 Author/Creator: Greene, Karen E., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1996 Resource Type: Book Edition: Revised 1996. Access & Availability: Loading
11. Nutrients, suspended sediment, and pesticides in waters of the Red River of the North Basin, Minnesota, North Dakota, and South Dakota, 1970-90 Author/Creator: Tornes, L. H. (Lan H.), author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1994 Resource Type: Book Access & Availability: Loading