1. Relation of periphyton and benthic invertebrate communities to environmental factors and land use at selected sites in part of the upper Mississippi River basin, 1996-98 Author/Creator: ZumBerge, Jeremy R. (Jeremy Ryan) Publication/Creation: Mounds View, MN : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Relation of periphyton and benthic invertebrate communities to environmental factors and land use at selected sites in part of the upper Mississippi River basin, 1996-98 Author/Creator: ZumBerge, Jeremy R. (Jeremy Ryan), author Publication/Creation: [Mounds View, Minn.] : U.S. Deptartment of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
3. Relation between selected well-construction characteristics and occurrence of bacteria in private household-supply wells, south-central and southeastern Pennsylvania Author/Creator: Zimmerman, Tammy M. Publication/Creation: New Cumberland, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
4. Relation between selected well-construction characteristics and occurrence of bacteria in private household-supply wells, south-central and southeastern Pennsylvania Author/Creator: Zimmerman, Tammy M. Publication/Creation: New Cumberland, Pa. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
5. Restoration of freshwater in the Cano Tiburones area, Puerto Rico Author/Creator: Zack, Allen L., author Publication/Creation: San Juan, Puerto Rico : U.S. Geological Survey, 1984 Resource Type: Book Access & Availability: Loading
6. A revised load estimation procedure for the Susquehanna, Potomac, Patuxent, and Choptank Rivers Author/Creator: Yochum, Steven E. Publication/Creation: Baltimore, Md. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
7. Relation between selected water-quality variables and lake level in Upper Klamath and Agency Lakes, Oregon Author/Creator: Wood, Tamara M., author Publication/Creation: Portland, Oregon : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
8. Reconnaissance of hydrology and water quality of Lake Susupe, Saipan, Commonwealth of the Northern Mariana Islands, 1990 Author/Creator: Wong, Michael F., author Publication/Creation: Honolulu, Hawaii : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
9. Relation between ground water and surface water in the Hillsborough River basin, west-central Florida Author/Creator: Wolansky, R. M. (Richard M.), author Publication/Creation: Tallahassee, Florida : U.S. Geological Survey, 1987 Resource Type: Book Access & Availability: Loading
10. Regression equations for estimating concentrations of selected water-quality constituents for selected gaging stations in the Red River of the North basin, North Dakota, Minnesota, and South Dakota Author/Creator: Williams-Sether, Tara Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading