Actions
Incoming Resources
- Nitrate loads and concentrations in surface-water base flow and shallow groundwater for selected basins in the United States, water years 1990-2006, by Norman E. Spahr ... [and others]
- County-level estimates of nitrogen and phosphorus from commercial fertilizer for the conterminous United States, 1987-2006, by Jo Ann M. Gronberg and Norman E. Spahr
- Water-quality, streamflow, and ancillary data for nutrients in streams and rivers across the nation, 1992-2001, David K. Mueller and Norman E. Spahr
- Nutrients in streams and rivers across the nation -- 1992-2001, by David K. Mueller and Norman E. Spahr
- Low-flow water-quality characterization of the Gore Creek watershed, upper Colorado River basin, Colorado, August 1996, Kirby H. Wynn and Norman E. Spahr
- Water quality in the Upper Colorado River Basin, Colorado, 1996-98, by Norman E. Spahr ... [et al.]
- Development and application of regression models for estimating nutrient concentrations in streams of the conterminous United States, 1992-2001, by Norman E. Spahr, David K. Mueller, David M. Wolock, Kerie J. Hitt, and JoAnn M. Gronberg
- Effects of wastewater effluent on the South Platte River from Littleton to Denver, by Norman E. Spahr and Steven R. Blakely
- Variations in climatic characteristics as related to evapotranspiration in South Park, central Park County, Colorado, by Norman E. Spahr ; prepared in cooperation with the City and County of Denver, Board of Water Commissioners
- Interim results of quality-control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995-96, by Norman E. Spahr and Robert W. Boulger
- Water quality in the Upper Colorado River Basin, Colorado, 1996-98, by Norman E. Spahr [and six others]
- Reservoir evaporation in central Colorado, by Norman E. Spahr and Barbara C. Ruddy ; prepared in cooperation with the Denver Water Department
- Estimation of evaporation from Ned Wilson Lake, Flat Tops Wilderness area, Colorado, by Norman E. Spahr and John T. Turk
- Water-quality characteristics of the Slate and East Rivers, Colorado, during the winter recreational season, December 1996, by Norman E. Spahr and Jeffrey R. Deacon
- Comparison of 2002 water year and historical water-quality data, upper Gunnison River basin, Colorado, by N.E. Spahr ; prepared in cooperation with the City of Gunnison ... [and others]
- Effects of wastewater effluent on the South Platte River from Littleton to Denver, by Norman E. Spahr and Steven R. Blakely
- Variations in climatic characteristics as related to evapotranspiration in South Park, central Park County, Colorado, by Norman E. Spahr ; prepared in cooperation with the City and County of Denver, Board of Water Commissioners
- Reservoir evaporation in central Colorado, by Norman E. Spahr and Barbara C. Ruddy ; prepared in cooperation with the Denver Water Department
- Water-quality characteristics of the Slate and East Rivers, Colorado, during the winter recreational season, December 1996, by Norman E. Spahr and Jeffrey R. Deacon
- Estimation of evaporation from Ned Wilson Lake, Flat Tops Wilderness area, Colorado, by Norman E. Spahr and John T. Turk
- Water quality in the Upper Colorado River Basin, Colorado, 1996-98, by Norman E. Spahr [and six others]