Bulkhead gate mechanism in storage at Boulder City. Portion of toggle assembly and rollers in foreground, hydraulic cylinders in background.; Scope and content: Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam, Boulder City, Nevada.
Size: 5324px × 3755px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No
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