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Ground- and surface-water chemistry of Handcart Gulch, Park County, Colorado, 2003-2006

Reston, Va. : U.S. Geological Survey, 2008. 2008

Questa baseline and pre-mining ground-water quality investigation.

Verplanck, Philip L.
Reston, Va. : U.S. Dept. of the Interior, U.S. Geological Survey, 2006. 2006

Selected water-quality data for the Standard Mine, Gunnison County, Colorado, 2006-2007

Reston, Va. : U.S. Geological Survey, 2007. 2007

Understanding contaminants associated with mineral deposits

[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, 2008. 2008

Water quality of the Boulder Creek Watershed, Colorado

Verplanck, Philip L.
[Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey, [2003] 2003