1. Relation of land use to nitrogen concentration in ground water in the Patuxent River Basin, Maryland Author/Creator: McFarland, E. Randolph, author Publication/Creation: Towson, Maryland : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
2. Relation of nitrate concentrations in ground water to well depth, well use, and land use in Franklin Township, Gloucester County, New Jersey, 1970-85 Author/Creator: MacLeod, C. L., author Publication/Creation: West Trenton, New Jersey : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
3. Relation of precipitation quality to storm type, and deposition of dissolved chemical constituents from precipitation in Massachusetts, 1983-85 Author/Creator: Gay, Frederick B., author Publication/Creation: Marlborough, Massachusetts : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
4. Relations of nonpoint-source nitrate and atrazine concentrations in the High Plains aquifer to selected explanatory variables in six Nebraska study areas Author/Creator: Druliner, A. D., author Publication/Creation: Lincoln, Nebraska : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
5. Results of the basewide monitoring program at Wright-Patterson Air Force Base, Ohio, 1993-1994 Author/Creator: Schalk, Charles W., author Publication/Creation: Columbus, Ohio : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading