Add to ORKGDiscusses the construction process for Boulder Dam, which was later renamed Hoover Dam
Photograph of construction of Boulder Dam, showing construction on the top of the dam, ca.1930. A th...
The size of the Boulder Canyon Project necessitated a broad array of innovations in construction eng...
Various pagings.Includes also Standard forms, no. 20-25.Lettered on cover: Hoover dam. Plans and spe...
Photograph of Hoover Dam (also known as Boulder Dam) under construction, February 1, 1935. The canyo...
Hoover Dam was a monumental accomplishment for its era which set new standards for post-construction...
Investigations of potential dam sites along the lower Colorado River in Boulder and Black Canyons we...
Hoover Dam was a monumental accomplishment for its era which set new standards for feasibility studi...
The size of the Boulder Canyon Project necessitated a broad array of innovations in construction eng...
During the first half of the twentieth century, the US Bureau of Reclamation\u27s engineers designed...
Photograph of Boulder Dam on the Colorado River, showing four penstock towers under construction, Ma...
Photograph of construction of Boulder Dam, showing the mountains on either side, March 17, 1934. Tin...
Black and white photograph of Black Canyon at the site of Boulder Dam (Hoover Dam), during a trip on...
Photograph of construction of Boulder Dam, showing a concrete base, ca.1930. What resembles a large,...
Black and white Army Air Corps photograph of Hoover Dam under construction, about 1932
Photograph of construction of Boulder Dam, ca.1934. Roads wind against the hills along the water's e...
Photograph of construction of Boulder Dam, showing construction on the top of the dam, ca.1930. A th...
The size of the Boulder Canyon Project necessitated a broad array of innovations in construction eng...
Various pagings.Includes also Standard forms, no. 20-25.Lettered on cover: Hoover dam. Plans and spe...
Photograph of Hoover Dam (also known as Boulder Dam) under construction, February 1, 1935. The canyo...
Hoover Dam was a monumental accomplishment for its era which set new standards for post-construction...
Investigations of potential dam sites along the lower Colorado River in Boulder and Black Canyons we...
Hoover Dam was a monumental accomplishment for its era which set new standards for feasibility studi...
The size of the Boulder Canyon Project necessitated a broad array of innovations in construction eng...
During the first half of the twentieth century, the US Bureau of Reclamation\u27s engineers designed...
Photograph of Boulder Dam on the Colorado River, showing four penstock towers under construction, Ma...
Photograph of construction of Boulder Dam, showing the mountains on either side, March 17, 1934. Tin...
Black and white photograph of Black Canyon at the site of Boulder Dam (Hoover Dam), during a trip on...
Photograph of construction of Boulder Dam, showing a concrete base, ca.1930. What resembles a large,...
Black and white Army Air Corps photograph of Hoover Dam under construction, about 1932
Photograph of construction of Boulder Dam, ca.1934. Roads wind against the hills along the water's e...
Photograph of construction of Boulder Dam, showing construction on the top of the dam, ca.1930. A th...
The size of the Boulder Canyon Project necessitated a broad array of innovations in construction eng...
Various pagings.Includes also Standard forms, no. 20-25.Lettered on cover: Hoover dam. Plans and spe...