1. Changes in nutrient and pesticide concentrations in urban and agricultural areas of the South Platte River Basin, Colorado, Wyoming, and Nebraska, 1994-2000 Author/Creator: Sprague, Lori A. Publication/Creation: Denver, Colo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading
2. Characterization of selected biological, chemical, and physical conditions at fixed sites in the Upper Colorado River Basin, Colorado, 1995-98 Author/Creator: Deacon, Jeffrey R., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
3. Chemical and biological indicators of nutrient enrichment in the Yellowstone River Basin, Montana and Wyoming, August 2000 : study design and preliminary results Author/Creator: Peterson, David A. 1955- (David Allen) Publication/Creation: Cheyenne, Wyo. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
4. Chemical and biological indicators of nutrient enrichment in the Yellowstone River Basin, Montana and Wyoming, August 2000 : study design and preliminary results Author/Creator: Peterson, David A. 1955- (David Allen), author Publication/Creation: Cheyenne, Wyoming : U.S. Department of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
5. Classification of irrigated land using satellite imagery, the High Plains aquifer, nominal date 1992 Publication/Creation: Denver, Colo. : U.S. Geological Survey, Information Services [distributor] Resource Type: Book Access & Availability: Loading
6. Comparison between agricultural and urban ground-water quality in the Mobile River Basin Author/Creator: Robinson, James L. Publication/Creation: Montgomery, Ala. : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : U.S. Geological Survey, Branch of Information Services, 2003 Resource Type: Book Access & Availability: Loading
7. A comparison of drainage basin nutrient inputs with instream nutrient loads for seven rivers in Georgia and Florida, 1986-90 Author/Creator: Asbury, Clyde E. 1950- (Clyde Ellis) Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
8. Comparison of multi-habitat aquatic macroinvertebrate sampling methods in streams of the Mississippi Alluvial Plain ecoregion Author/Creator: Justus, B. G., author Publication/Creation: Pearl, Mississippi : U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading
9. Comparison of nitrate, pesticides, and volatile organic compounds in samples from monitoring and public-supply wells, Kirkwood-Cohansey aquifer system, southern New Jersey Publication/Creation: West Trenton, N.J. : U.S. Dept. of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
10. Comparison of two methods for delineating land use near monitoring wells used for assessing quality of shallow ground water Publication/Creation: Mounds View, Minn. : U.S. Dept. of the Interior, U.S. Geological Survey, 2003 Resource Type: Book Access & Availability: Loading