Effects of the June, 1975 Mike Horse mine tailings dam failure on water quality and aquatic resources of the Upper Blackfoot River, Montana effectsofjune19700montrich Year: 1997 Photo I. Mike Horse tailings dam before failure. June 15. 1971. Photo 2. Mike Horse Dam after reconstruction by the Anaconda Compan\. Fall, 1975. .\-65

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Photo credit: © Bookend / Alamy / Afripics
License: Licensed
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