Butler, D. L. 1946-. (1990). Estimated water-quality conditions and potential downstream channel effects of the proposed Rock Creek and Wolford Mountain reservoirs, north-central, Colorado. Denver, Colo.: Dept. of the Interior, U.S. Geological Survey .MLA Citation
Butler, David L. 1946-. Estimated Water-quality Conditions And Potential Downstream Channel Effects of the Proposed Rock Creek And Wolford Mountain Reservoirs, North-central, Colorado. Denver, Colo.: Dept. of the Interior, U.S. Geological Survey , 1990.
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