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Pilot Butte Dam

Photo of Pilot Butte Dam and Reservoir
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Riverton Unit
Pilot Butte Powerplant
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Schedule of Proposed NEPA Actions
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Pilot Butte Dam is located in the Wind River Basin of west central Wyoming.  Bedrocks, in ascending order are Pre-cambrian gneiss and metasediments, Paleozoic to Cretaceous sediments, Eocene-age Wind River sandstones, terrace gravel and modern alluvium.  The older folded and faulted sedimentary bedrocks are oil-bearing.  The nearest known active fault is 35 miles east of the site.

Last updated: Apr 02, 2013