21. Phosphorus in a ground-water contaminant plume discharging to Ashumet Pond, Cape Cod, Massachusetts, 1999 Publication/Creation: Northborough, MA : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
22. Possible sources of nitrate in ground water at swine licensed-managed feeding operations in Oklahoma, 2001 Author/Creator: Becker, Mark F. Publication/Creation: [Reston, Va.?] : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Edition: Revised Jan. 2003. Access & Availability: Loading
23. Reconnaissance of mercury in lakes, wetlands, and rivers in the Red River of the North Basin, North Dakota, March through August 2001 Publication/Creation: Bismarck, N.D. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : Information Services [distributor], 2003 Resource Type: Book Access & Availability: Loading
24. Sediment deposition and occurrence of selected nutrients, other chemical constituents, and diatoms in bottom sediment, Perry Lake, northeast Kansas, 1969-2001 Author/Creator: Juracek, Kyle E. Publication/Creation: Lawrence, Kan. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Information Services [distributor], 2003 Resource Type: Book Access & Availability: Loading
25. Sediment quantity and quality in three impoundments in Massachusetts Author/Creator: Zimmerman, Marc James, 1947- Publication/Creation: Northborough, Mass. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
26. Stream bank stability in Eastern Nebraska Publication/Creation: Denver, CO : U.S. Geological Survey, Branch Information Services [distributor] Resource Type: Book Access & Availability: Loading
27. Streambed adjustment and channel widening in eastern Nebraska Author/Creator: Rus, David L. Publication/Creation: Lincoln, Neb. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
28. Surface-water quality of the Skokomish, Nooksack, and Green-Duwamish Rivers and Thornton Creek, Puget Sound Basin, Washington, 1995-98 Author/Creator: Embrey, S. S. Publication/Creation: Tacoma, Wash. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
29. A synoptic study of fecal-indicator bacteria in the Wind River, Bighorn River, and Goose Creek Basins, Wyoming, June-July 2000 Author/Creator: Clark, Melanie L. Publication/Creation: Cheyenne, Wyo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
30. Trends in nitrate and dissolved-solids concentrations in ground water, Carson Valley, Douglas County, Nevada, 1985-2001 Author/Creator: Rosen, Michael R., 1961- Publication/Creation: Carson City, NV : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] Resource Type: Book Access & Availability: Loading