21. Water-quality characteristics of the Columbia Plateau regional aquifer system in parts of Washington, Oregon, and Idaho Author/Creator: Steinkampf, W. C., author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
22. Water-quality characteristics and ground-water quantity of the Fraser River Watershed, Grand County, Colorado, 1998-2001 Author/Creator: Bauch, Nancy J. Publication/Creation: Denver, CO : U.S. Geological Survey, Information Services [distributor]. Resource Type: Book Access & Availability: Loading
23. Water-quality assessment of the White River Basin, Indiana : analysis of selected information on nutrients, 1980-92 Author/Creator: Martin, Jeffrey D., author Publication/Creation: Indianapolis, Indiana : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
24. Water-quality assessment of the Trinity River Basin, Texas : ground-water quality of the Trinity, Carrizo-Wilcox, and Gulf Coast aquifers, February-August 1994 Author/Creator: Reutter, David C., author Publication/Creation: Austin, Texas : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
25. Water-quality assessment of the Rio Grande Valley, Colorado, New Mexico, and Texas : shallow ground-water quality of a land-use area in the San Luis Valley, south-central Colorado, 1993 Author/Creator: Anderholm, Scott K., author Publication/Creation: Albuquerque, New Mexico : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
26. Water-quality assessment of the Ozark plateaus study unit, Arkansas, Kansas, Missouri, and Oklahoma : summary of information on pesticides, 1970-90 Author/Creator: Bell, Richard W. (Hydrogeologist), author Publication/Creation: Little Rock, Arkansas : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
27. Water-quality assessment of the Hudson River Basin in New York and adjacent states : analysis of available nutrient, pesticide, volatile organic compound, and suspended-sediment data, 1970-90 Author/Creator: Phillips, Patrick J., author Publication/Creation: Troy, New York : U.S. Department of the Interior, U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
28. Water-quality assessment of the central Columbia Plateau in Washington and Idaho : analysis of available nutrient and pesticide data for ground water, 1942-92 Author/Creator: Jones, Joseph L., 1958- author Publication/Creation: Tacoma, Washington : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
29. Water-quality assessment of part of the upper Mississippi River basin, Minnesota and Wisconsin--volatile organic compounds in surface and ground water, 1978-94 Author/Creator: Andrews, William J., 1962- author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading
30. Water-quality assessment of part of the upper Mississippi River basin, Minnesota and Wisconsin : review of selected literature Author/Creator: Andrews, William J., 1962- author Publication/Creation: Mounds View, Minnesota : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading