Determination of Chemical-Constituent Loads
During Base-Flow and Storm-Runoff Conditions
Near Historical Mines in Prospect Gulch,
Upper Animas River Watershed,
By Laurie Wirt, Kenneth J. Leib, Dana Bove,
U.S. Geological Survey Open-File Report 99-0159
M. Alisa Mast, Jonathan B. Evans, and Gregory P. Meeker
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