![](http://www.alamy.com/thumbs/6/02FD15C8-6B2C-4A59-A612-942BFBE381E1/W5T62A.jpg)
Operations at inlet portal of diversion tunnel No. 2. Invert concrete and trashrack transition base are seen.; Scope and content: Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam, Boulder City, Nevada.
Size: 5349px × 3739px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No
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