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Estimated water-quality conditions and potential downstream channel effects of the proposed Rock Creek and Wolford Mountain reservoirs, north-central, Colorado
Butler, David L.1990

Prentice Hall Literature - Timeless Voices, Timeless Themes - The British Tradition
Kate Kinsella2002
Characterization of selenium in the lower Gunnison River basin, Colorado, 1988-2000
Butler, David L.2002
Trend analysis of selected water-quality data associated with salinity-control projects in the Grand Valley, in the lower Gunnison River Basin, and at Meeker Dome, western Colorado
Butler, David L.1996
Discharge and water quality of springs in Roan and Parachute Creek basins, northwestern Colorado, 1981-83
Butler, David L.1987