Looking upstream at the dam site, Hoover Dam, January 1933. Construction materials and small bridges line the canyon above the river as the dam is being built.
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)
First 40 foot slab of concrete poured in lining diversion tunnels for the construction of the Boulder Dam, now called Hoover Dam. Site Name: Hoover Dam (dam)
Construction site of the Boulder Dam, now known as Hoover Dam. Marion electric drag line with 5 cubic yard capacity bucket loading gravel. Site Name: Hoover Dam (dam)
Boulder Dam (now called Hoover Dam) construction. Trucks hauling 2-cubic-yard buckets, bringing concrete from the mixing plant for invert lining. Site Name: Hoover Dam (dam)