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Photograph of Colorado River, circa 1932
Date
1931 to 1933
Description
Aerial view of Colorado River before diversion tunnels were constructed.
Image
Slide of downstream face of Hoover Dam, circa late 1930s
Date
1935 to 1939
Description
An image of the downstream face of Hoover Dam in Black Canyon, showing diversion tunnel portals in the foreground. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Image
Recapitulation of projects for first revision lower Colorado drainage basin problems and programs for Nevada, October 16, 1937
Date
1937-10-16
Description
Prioritized list of projects and estimated costs for flood/erosion control projects in southern Nevada.
Text
Report by Moapa Soil Conservation District on irrigation storage possibilities of Wells Siding, Bowman Reservoir, and adjacent basins, December 1944
Date
1944-12
Description
Results of a preliminary survey of irrigation storage potential of Wells Siding, Bowman Reservoir and other nearby sites.
Text
Photograph of dam construction, Hoover Dam, March 18, 1932
Date
1932-03-18
Description
First 40 foot slab of concrete poured in lining diversion tunnels for the construction of the Boulder Dam, now called Hoover Dam. Site Name: Hoover Dam (dam)
Image
Looking downstream at Black Canyon: photographic print
Date
1930 (year approximate) to 1939 (year approximate)
Description
Black Canyon looking downstream after drilling of the diversion tunnels for the dam.
Image
Photograph of Hoover Dam, circa 1932
Date
1931 to 1933
Description
Looking upstream at cofferdam and nearly completed diversion tunnel. Arizona side on right.
Image
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