National Water-Quality Assessment (NAWQA) Project

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NAWQA Publications: by Location - CO (back to categories)


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Showing results 101 to 126 of 188.
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Stogner, Robert W., Sr., 2001, Nitrate concentrations, 1936-99, and pesticide concentrations, 1990-99, in the unconfined aquifer in the San Luis Valley, Colorado: U.S. Geological Survey Water-Resources Investigations Report 01-4131, 12 p.  Available Online

Taylor, H.E., Antweiler, R.C., Roth, D.A., Brinton, T.I., Peart, D.B., and Healy, D.F., 2001, The occurrence and distribution of selected trace elements in the Upper Rio Grande and tributaries in Colorado and Northern New Mexico: Archives of Environmental Contamination and Toxicology, vol. 41, p. 410-426.  doi: 10.1007/s002440010267 Available Online

Alexander, Richard B., Smith, Richard A., and Schwarz, Gregory E., 2000, Effect of stream channel size on the delivery of nitrogen to the Gulf of Mexico: Nature, vol. 403, February 17, 2000, p. 758-761.  Available Online

Apodaca, L.E., Driver, N.E., and Bails, J.B., 2000, Occurrence, transport, and fate of trace elements in the Blue River Basin, Summit County, Colorado: An integrated approach: Environmental Geology vol. 39, no. 8, June 2000, p. 901-913.  doi: 10.1007/s002549900066 Available Online

Apodaca, Lori E., 2000, Ground-water-quality assessment of selected wells in the Fraser River Watershed, Colorado, August 1998: U.S. Geological Survey Water-Resources Investigations Report 99-4243, 8 p.  Available Online

Apodaca, Lori E., and Bails, Jeffrey B., 2000, Water quality in alluvial aquifers of the Southern Rocky Mountains physiographic province, Upper Colorado river Basin, Colorado, 1997: U.S. Geological Survey Water-Resources Investigations Report 99-4222, 68 p.  Available Online

Bauch, Nancy J., and Spahr, Norman E., 2000, Pesticides in surface waters of the Upper Colorado River Basin, Colorado, 1996-98: U.S. Geological Survey Water-Resources Investigations Report 00-4005, 46 p.  Available Online

Callender, E., 2000, Geochemical effects of rapid sedimentation in aquatic systems: minimal diagenesis and the preservation of historical metal signatures: Journal of Paleolimnology, vol. 23, p. 243-260.  doi: 10.1023/A:1008114630756 Available Online

Dennehy, K.F., 2000, High Plains Regional Ground-Water Study: U.S. Geological Survey Fact Sheet FS-091-00, 6 p.  Available Online

Hoffman, Ryan S., Capel, Paul D., and Larson, Steven J., 2000, Comparison of pesticides in eight U.S. urban streams: Environmental Toxicology and Chemistry, vol. 19, no. 9, p. 2249-2258.  doi: 10.1897/1551-5028(2000)019<2249:COPIEU>2.3.CO;2 Available Online

McMahon, P.B., 2000, A reconnaissance study of the effect of irrigated agriculture on water quality in the Ogallala Formation, central High Plains: U.S. Geological Survey Fact Sheet FS-009-00, 6 p.  Available Online

McMahon, P.B., Bruce, B.W., Becker, M.F., Pope, L.M., and Dennehy, K.F., 2000, Occurrence of nitrous oxide in the Central High Plains Aquifer,1999: Environmental Science and Technology, vol. 34, no. 23, p. 4873-4877.  doi: 10.1021/es001233t Available Online

Qi, Sharon L., 2000, National Water-Quality Assessment Program--High Plains Regional Ground-Water Study web site: U.S. Geological Survey Fact Sheet FS-049-00, 2 p.  Available Online

Spahr, Norman E., Boulger, Robert W., and Szmajter, Richard J., 2000, Water quality at basic fixed sites in the Upper Colorado River Basin National Water-Quality Assessment Study Unit, October 1995-September 1998: U.S. Geological Survey Water-Resources Investigations Report 99-4223, 63 p.  Available Online

Apodaca, Lori E., and Bails, Jeffrey B., 1999, Fraser River watershed, Colorado- -Assessment of available water-quantity and water-quality data through water year 1997: U.S. Geological Survey Water-Resources Investigations Report 98-4255, 58 p.  Available Online

Deacon, J.R., and Driver, N.E., 1999, Distribution of trace elements in streambed sediment associated with mining activities in the Upper Colorado River Basin, Colorado, USA, 1995-96: Archives of Environmental Contamination and Toxicology, vol. 37, p. 7-18.  Available Online

Deacon, Jeffrey R., Mize, Scott V., Spahr, Norman E., 1999, Characterization of selected biological, chemical, and physical conditions at fixed sites in the Upper Colorado River Basin, Colorado, 1995-98: U.S. Geological Survey Water-Resources Investigations Report 99-4181, 71 p.  Available Online

McMahon, P.B., and Dennehy, K.F., 1999, N2O emissions from a nitrogen-enriched river: Environmental Science & Technology, vol. 33, no. 1, p. 21-25.  doi: 10.1021/es980645n Available Online

McMahon, P.B., Böhlke, J.K., and Bruce, B.W., 1999, Denitrification in marine shales in northeastern Colorado: Water Resources Research, vol. 35, no. 5, May 1999, p. 1629-1642.  doi:10.1029/1999WR900004 Available Online

Tate, C.M., Dennehy, K.F., and Luft, G., 1999, South Platte River--Lifeline of a region: U.S. Geological Survey Open-File Report 99-56, video.  Available Online

Wynn, Kirby H., 1999, Fish-community assessment in Gore Creek, Colorado, 1998: U.S. Geological Survey Fact Sheet 186-99, 6 p.  Available Online

Apodaca, Lori E., 1998, Analysis of ground-water-quality data of the Upper Colorado River Basin, water years 1972-92: U.S. Geological Survey Water-Resources Investigations Report 97-4240, 31 p.  Available Online

Bauch, Nancy J., and Spahr, Norman E., 1998, Salinity trends in surface waters of the Upper Colorado River Basin, Colorado: Journal of Environmental Quality, vol. 27, no. 3, p. 640-655.  Available Online

Bruce, Breton W., and McMahon, Peter B., 1998, Shallow ground-water quality of selected land-use/aquifer settings in the South Platte River Basin, Colorado and Nebraska, 1993-95: U.S. Geological Survey Water-Resources Investigations Report 97-4229, 48 p.  Available Online

Deacon, Jeffrey R, and Stephens, Verlin C., 1998, Trace elements in streambed sediment and fish liver at selected sites in the Upper Colorado River Basin, Colorado, 1995-96: U.S. Geological Survey Water-Resources Investigations Report 98-4124, 19 p.  Available Online

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