A grayscale view of Boulder City, Nevada; Boulder Dam Hotel and a building sign advertising "free Boulder Dam motion pictures" can be seen in the background.
Illustration the of a train and people standing near it. Caption reads: "Union Pacific Miracle Train passing through a 30 foot intake pipe, Boulder Dam project."
Three postcards. Grand Canyon from Lake Mead; Boulder Dam Crest and Switchback Highway on Arizona Side; Arizona Spillway and Highway Bridge, Boulder Dam.
Colorado River-Hoover Dam. Views of Boulder Dam printed in book or magazine; numbers on the photo correspond to particular areas described at the bottom of the image. Site Name: Hoover Dam (dam)
The first official Bureau of Reclamation car to cross Hoover Dam (then Boulder Dam). Standing from left to right, the men in this picture are identified: Walker R. Young, James Cashman, Frank T. Crowe, and Walter R. Bracken.
Principles involved in the signing of the Boulder Dam bill. L-R: Elwood Mead, Phil Swing, President Calvin Coolidge, Sen. Hiram Johnson, Addison T. Smith, and W.B. Matthews. Text on photo reads: "Public Service History Written as Boulder Dam Bill Is Signed. December 21, 1928. Elwood Mead, Commissioner of Reclamation. Phil Swing, M. C. Cali., Author Boulder Dam bill House of Representatives. President Coolidge. Senator Hiram Johnson, Author Boulder Dam bill in United States Senate. Addison T. Smith, M. C. Idaho, Chairman, Committee on Reclamation, House of Representatives. W. B. Matthews. General Counsel, Boulder Dam Association, Los Angeles."