Grouting crew at work on upper levels of Arizona abutment. The grout mixture is being introduced into 50-foot holes under 100-pounds per square inch pressure supplied from grout rig stationed below.; Scope and content: Photograph from Volume Two of a series of photo albums documenting the construction of Hoover Dam, Boulder City, Nevada.

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Size: 4187px × 5970px
Photo credit: © Tango Images / Alamy / Afripics
License: Licensed
Model Released: No

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