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Acid Run Off (515)

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Mine name Acid Run Off
State Colorado
County Gilpin
Mineral Gold/Silver
Author Wanty,R.B.
North fork of Clear Creek 5 km down stream from Blackhawk. Reddish color in the stream bed is due to precipitation of iron oxyhydroxides as pH increases. Gilpin County, Colorado, Octobet 1992.
Caption North fork of Clear Creek 5 km down stream from Blackhawk. Reddish color in the stream bed is due to precipitation of iron oxyhydroxides as pH increases. Gilpin County, Colorado, Octobet 1992.