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Deacon, J.R., and Stephens, V.C., 1998, Trace elements in streambed sediment and fish liver at selected sites in the Upper Colorado River Basin, Colorado, 1995–1996: U.S. Geological Survey Water-Resources Investigations Report 98–4124, 19 p.

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Stephens, V.C., and Deacon, J.R., 1998, Distribution and concentrations of selected organochlorine pesticides and PCB’s in streambed sediment and whole-body fish in the Upper Colorado River Basin, 1995–96: U.S. Geological Survey Fact Sheet FS–167–97, 6 p.

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U.S. Department of the Interior, 1999, Quality of water—Colorado River Basin: Denver, Colo., Bureau of Reclamation Progress Report 19, 93 p. plus appendix.

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Vaill, J.E., and Butler, D.L., 1999, Streamflow and dissolved-solids trends, through 1996, in the Colorado River Basin upstream from Lake Powell—Colorado, Utah, and Wyoming: U.S. Geological Survey Water-Resources Investigations Report 99–4097, 47 p.

Additional Publications of the UCOL Study Unit:

Apodaca, L.E., 1997, 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.

Apodaca, L.E., and Bails, J.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.

Apodaca, L.E., and Bails, J.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.

Apodaca, L.E., and Bails, J.B., 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.

Apodaca, L.E., Driver, N.E., and Bails, J.B., 2000, Occurrence, transport, and fate of trace elements, Blue River Basin, Summit County, Colorado—An integrated approach: Environmental Geology, v. 39, no.8, p. 901–913.

Apodaca, L.E., Driver, N.E., Stephens, V.C., and Spahr, N.E., 1996, Environmental setting and implications on water quality, Upper Colorado River Basin, Colorado and Utah: U.S. Geological Survey Water-Resources Investigations Report 95–4263, 33 p.

Apodaca, L.E., Stephens, V.C., and Driver, N.E., 1996, What affects water quality in the Upper Colorado River Basin: U.S. Geological Survey Fact Sheet FS–109–96, 4 p.

Bauch, N.J. and Apodaca, L.E., 1995, Bibliography, indices, and data sources of water-related studies, Upper Colorado River Basin, Colorado and Utah, 1972–1995: U.S. Geological Survey Open-File Report 95–450, 282 p.

Deacon, J.R., 1997, Biological and contaminant investigations, Upper Colorado River Basin—What’s been done and how can the information be used?: U.S. Geological Survey Fact Sheet FS–032–97, 2 p.

Deacon, J.R., and Mize, S.V., 1997, Effects of water quality and habitat on composition of fish communities in the Upper Colorado River Basin: U.S. Geological Survey Fact Sheet FS–122–97, 6 p.

Deacon, J.R., Mize, S.V., and Spahr, N.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, 35 p.

Deacon, J.R., and Spahr, N.E., 1998, Water-quality and biological community characterization at selected sites on the Eagle River, Colorado, September 1997 and February 1998: U.S. Geological Survey Water-Resources Investigations Report 98–4236, 8 p.

Deacon, J.R., and Stephens, V.C., 1996, Summary of biological and contaminant investigations related to stream water quality and environmental setting in the Upper Colorado River Basin, 1938–1995: U.S. Geological Survey Water-Resources Investigations Report 96–4172, 37 p.

Driver, N.E., 1994, National Water-Quality Assessment Program–Upper Colorado River Basin: U.S. Geological Survey Open-File Report 94–102, 2 p.

Greve, A.I., Spahr, N.E., Van Metre, P.C., and Wilson, J.T., in press, Identification of water-quality trends using sediment cores from Dillon Reservoir, Summit County, Colorado: U.S. Geological Survey Water-Resources Investigations Report 01–4022.

Spahr, N.E., and Boulger, R.W., 1997, Interim results of quality-control sampling of surface water for the Upper Colorado River National Water-Quality Assessment Study Unit, water years 1995–96: U.S. Geological Survey Water-Resources Investigations Report 97–4227, 34 p.

Spahr, N.E., Boulger, R.W., and Szmajter, R.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.

Spahr, N.E., and Deacon, J.R., 1998, Water-quality characterization of the Slate and East Rivers during the winter recreational season, December, 1996: U.S. Geological Survey Open-File Report 98–279, 9 p.

Spahr, N.E., Driver, N.E., and Stephens, V.C., 1996, The Upper Colorado River National Water-Quality Assessment Program Surface-Water Monitoring Network: U.S. Geological Survey Fact Sheet FS–191–96, 4 p.

Spahr, N.E., and Wynn, K.H., 1997, Nitrogen and phosphorus in surface waters of the Upper Colorado River Basin: Journal of the American Water Resources Association, v. 33, no. 3, p. 547–560.