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Colorado River
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Big Creek projects and Colorado River survey
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Photographs of 1922 Colorado River Survey with typescript captions by "E.C.L.", including Hall's Crossing, Rock Island, Hole in the Wall, San Juan River, San Juan Dam site, Aztec Creek, Rainbow Natural Bridge, Girand Dam site, Sentinel Rock Dam site, Boulder Canyon Dam site, Black Canyon Dam site, Pierce's Ferry, Grand Wash Canyon, Hualapai Dam site, Virgin Canyon Dam site, Callville Dam site, El Dorado Dam site; Big Creek projects include Huntington Lake Dam 1 fourth unit of Powerhouse 1, Florence Lake Dam construction, tunnel construction, and diversion dam at Camp 63.
photCL SCE
Big Creek projects & Colorado River Survey
Visual Materials
Big Creek projects & Colorado River Survey [Colorado River Survey (1922 - with captions)- Hall's Crossing, Rock Island, Hole in the Wall, San Juan River, San Juan dam site, Aztec Creek, Rainbow Natural Bridge, Girand dam site, Sentinel Rock dam site, Boulder Canyon dam site, Black Canyon dam site, Pierce's Ferry, Grand Wash Canyon, Hualpai dam site, Virgin Canyon dam site, Callville dam site, El Dorado dam site; Huntington Lake -Dam 1 spilling, assembly of 4th unit Powerhouse 1; Florence Lake - Dam construction, tunnel construction, diversion dam at Camp 63.]
photCL SCE 13 - vol 052
Colorado River
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Colorado River - Cataract Canyon on top looking southeast at dam site.
photCL SCE 02 - 07772
Colorado River
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Colorado River - Copy of proposed layout of Black Canyon Dam and Powerhouse Sites. [Sketch shows an earlier proposed layout for Boulder Dam. This version placed all of the generation facilities on the Nevada side.] .
photCL SCE 02 - 14141
Colorado River
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Colorado River - Lower end of Boulder Canyon looking upstream
photCL SCE 02 - 09090
Colorado River
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Colorado River - Capacity & Area Curves for Boulder Canyon Reservoir.
photCL SCE 02 - 07607