1. Nutrient loading to Lewisville Lake, north-central Texas, 1984-87 Author/Creator: Gain, W. Scott, author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
2. 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
3. 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
4. Nutrients in ground water and surface water of the United States--an analysis of data through 1992 Author/Creator: Mueller, David K., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
5. 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