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Upper Stillwater Dam

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Central Utah Project - Bonneville Unit
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Upper Stillwater Dam is a roller compacted concrete gravity dam located on Rock Creek, about 31 miles northwest of Duchesne, Utah.


Foundation: The foundation consists of Pre-Cambrian sandstone and argillites with nearly  horizontal bedding planes. Most of the length of the dam bears on hard sandstone. Near each  abutment the dam bears on argillite, which overlies the sandstone.

Last updated: Jun 23, 2009