1. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Gunnison and Uncompahgre River basins and at Sweitzer Lake, west-central Colorado, 1988-89 Author/Creator: Butler, David L. 1946- (David Louis), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1991 Format: Book Access & Availability: Loading
2. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the middle Arkansas River basin, Colorado and Kansas, 1988-89 Author/Creator: Mueller, David K., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1991 Format: Book Access & Availability: Loading
3. A reconnaissance of ground-water contamination at selected landfills in Colorado Author/Creator: Schneider, Paul A. 1931- (Paul Alan), author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading
4. Regional ground-water flow in upper and middle Paleozoic rocks in southeastern Utah and adjacent parts of Arizona, Colorado, and New Mexico Author/Creator: Weiss, Emanuel, author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1991 Format: Book Access & Availability: Loading
5. Regional hydrology of the Dolores River basin, eastern Paradox basin, Colorado and Utah Author/Creator: Weir, J. E. 1925- (James E.), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading
6. Regionalization of mean annual suspended-sediment loads in streams, central, northwestern, and southwestern Colorado Author/Creator: Elliott, John G. 1951- (John Grant), author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1988 Format: Book Access & Availability: Loading
7. Relations of streamflow and specific-conductance trends to reservoir operations in the lower Arkansas River, southeastern Colorado Author/Creator: Lewis, Michael E., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1998 Format: Book Access & Availability: Loading
8. Reservoir evaporation in central Colorado Author/Creator: Spahr, Norman E., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1983 Format: Book Access & Availability: Loading