1. Water quality in the Upper Colorado River Basin, Colorado, 1996-98 Author/Creator: Spahr, Norman E., author Publication/Creation: [Reston, Virginia] : U.S. Department of the Interior, U.S. Geological Survey, 2000 Resource Type: Book Access & Availability: Loading
2. Water-quality characteristics of the Slate and East Rivers, Colorado, during the winter recreational season, December 1996 Author/Creator: Spahr, Norman E., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1998 Resource Type: Book Access & Availability: Loading
3. Effects of wastewater effluent on the South Platte River from Littleton to Denver Author/Creator: Spahr, Norman E., author Publication/Creation: Denver, Colorado : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
4. Estimation of evaporation from Ned Wilson Lake, Flat Tops Wilderness area, Colorado Author/Creator: Spahr, Norman E., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1985 Resource Type: Book Access & Availability: Loading
5. Reservoir evaporation in central Colorado Author/Creator: Spahr, Norman E., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1983 Resource Type: Book Access & Availability: Loading
6. Variations in climatic characteristics as related to evapotranspiration in South Park, central Park County, Colorado Author/Creator: Spahr, Norman E., author Publication/Creation: Lakewood, Colorado : U.S. Geological Survey, 1981 Resource Type: Book Access & Availability: Loading