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 5. Channelized tailings behind breached Mike Horse Dam. View is from dam site looking up reser\oir. June 23. 1Q75.

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Photo credit: © Bookend / Alamy / Afripics
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