1. Natural and human influences on water quality in a shallow regional unconsolidated aquifer, northern Atlantic Coastal Plain Author/Creator: Ator, Scott W. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2008 Resource Type: Book Access & Availability: Loading
2. Naturally occurring contaminants in the Piedmont and Blue Ridge cystalline-rock aquifers and Piedmont Early Mesozoic basin siliciclastic-rock aquifers, eastern United States, 1994-2008 Author/Creator: Chapman, M. J. (Melinda J.), author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2013 Resource Type: Book Access & Availability: Loading
3. Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006 Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2010 Resource Type: Book Access & Availability: Loading
4. Nitrate-N movement in groundwater from the land application of treated municipal wastewater and other sources in the Wakulla Springs springshed, Leon and Wakulla Counties, Florida, 1966-2018 Author/Creator: Davis, J. Hal, author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011 Resource Type: Book Edition: Revised: 2011. Access & Availability: Loading
5. Nitrogen and phosphorus loads from groundwater to Lake Spokane, Spokane, Washington, October 2016-October 2019 Author/Creator: Sheibley, Richard W., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2021 Resource Type: Book Access & Availability: Loading
6. Numerical ground-water change model of the c aquifer and effects of ground-water withdrawals on stream depletion in selected reaches of clear creek, Chevelon Creek, and the Little Colorado River, Northeastern Arizona Publication/Creation: [Sacramento, Calif.] : United States Dept. of the Interior, Geological Survey, [2005] Resource Type: Book Access & Availability: Loading
7. Numerical model simulations of nitrate concentrations in groundwater using various nitrogen input scenarios, mid-Snake region, South-Central Idaho Author/Creator: Skinner, K. D. (Kenneth D.), author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2012 Resource Type: Book Access & Availability: Loading
8. Numerical simulation of groundwater flow for Yakima River basin aquifer system, Washington Author/Creator: Ely, D. Matthew (David Matthew), author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2011 Resource Type: Book Access & Availability: Loading
9. Numerical simulation of the hydrologic effects of redistributed and additional ground-water withdrawal, Island of Molokai, Hawaii Author/Creator: Oki, Delwyn S. Publication/Creation: Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006 Resource Type: Book Access & Availability: Loading
10. Nutrient loads in the Lost River and Klamath River Basins, south central Oregon and northern California, March 2012-March 2015 Author/Creator: Schenk, Liam M., author Publication/Creation: Reston, Virginia : U.S. Department of the Interior, U.S. Geological Survey, 2018 Resource Type: Book Access & Availability: Loading