Black and white image of Hoover Dam with the following printed description: "View of Memorial Day crowds waiting to visit the powerplant. Note persons holding tickets ready for guide to collect. Roof of cashier's booth may be seen beyond awning." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Model cement mixer to be used for Hoover Dam construction. Note on back: ""Inventor's model photographed by Wint in order to apply for a patent. Model of earth mover - self-loading. Object on left is a coupling being used as a counter balance - not part of the design. - James J. Hester, son-in-law of W. A. 'Wint' Davis, 1992.""
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.