Detail of pot-hole erosion along the river gorge on the Nevada side just downstream from damsite proper. Note the large pot-hole forms in the lower foreground with smaller streamer-like grooves leading out of them to the lower levels. The pot-hole bores are nearly vertical and cross the original bedding structure without appreciable deflection.; 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: 5399px × 3704px
Photo credit: © Alpha Stock / Alamy / Afripics
License: Licensed
Model Released: No

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