1. Water-quality trends in New England rivers during the 20th century Author/Creator: Robinson, Keith W. Publication/Creation: Pembroke, N.H. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Water-quality data analysis of the upper Gunnison River watershed, Colorado, 1989-99 Author/Creator: Gurdak, Jason J. Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
3. 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
4. Water-quality assessment of the western Lake Michigan drainages : analysis of available information on nutrients and suspended sediment, water years 1971-90 Author/Creator: Robertson, Dale M., author Publication/Creation: Madison, Wisconsin : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
5. Water-quality assessment of the Trinity River Basin, Texas : pesticides in streams draining an urban and an agricultural area, 1993-95 Author/Creator: Land, Larry F., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1996 Resource Type: Book Access & Availability: Loading
6. Water-quality assessment of the Trinity River Basin, Texas : nutrients and pesticides in the watersheds of Richland and Chambers creeks, 1993-95 Author/Creator: Land, Larry F., author Publication/Creation: Austin, Texas : U.S. Geological Survey, 1997 Resource Type: Book Access & Availability: Loading
7. 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
8. Water-quality assessment of the Sacramento River basin, California--water quality of fixed sites, 1996-1998 Author/Creator: Domagalski, Joseph L., author Publication/Creation: Sacramento, California : U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
9. Water-quality assessment of the Rio Grande Valley, Colorado, New Mexico, and Texas : surface-water quality, shallow ground-water quality, and factors affecting water quality in the Rincon Valley, south-central New Mexico, 1994-1995 Author/Creator: Anderholm, Scott K. Publication/Creation: Albuquerque, N.M. : U.S. Dept. of the Interior, U.S. Geological Survey, 2002 Resource Type: Book Access & Availability: Loading
10. 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