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Construction of diversion tunnels and Hoover Dam being built in the United States.

Construction of the Hoover Dam in the United States. Civil engineers at the dam site. Views of dam site, and reclamation engineers rush towards the dam site for investigation. Engineers remove rock by placing dynamite. The construction underway. Explosions rise. Views of four diversion tunnels, two on each side (the Nevada side and Arizona side). Front end loader remove dirt and load onto dump truck. Engineers wok in the tunnel. Engineers climb rope suspended from the canyon wall. In November 1932, the Colorado river is diverted. Trucks carry construction material and engineers at work during construction of the dam. Clip is from a production narrated in 1962.

Location: United States USA
Date: 1931
Duration: 3 min 38 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675071602
Sand and gravel mixed with cement to concrete the structure of Hoover Dam and views of intake towers, in United States.

Construction of Hoover Dam in the United States. Construction equipment work on the construction site. A train transports raw material. Construction material including sand and gravel transfered on conveyor belt. Sand and gravel mixed with cement to concrete the dam structure. Concrete transfered via cables. Views of the construction site as the dam takes shape. Engineers shovel the mud. Views of U-shaped power plant, support buildings and intake towers. Views of the dam showing its architecture.

Location: United States USA
Date: 1934
Duration: 4 min 12 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675071603
Steel fabrication plant for construction and assembling of giant steel pipes, during Hoover Dam construction in the U.S.

Construction of Hoover Dam in the United States, concluding in 1935. A sign reads 'the Babcock'. Giant steel pipes. Steel plates hoisted by a crane. Steel pipes are assembled in the steel fabrication plant erected on the dam site. Men working on constructing and assembling pipes. Train passes through a 30-foot diameter section. Trailers carry giant steel pipes. The pipes transferred via cable ways. Trailers carry giant steel pipes inside diversion tunnel. Steel pipes are joined at location with cables. Construction equipment work on construction site. Railroad tracks seen. A tram car carrying construction material, passes through the tunnel. Last concrete poured on May 28, 1935 and construction of the Hoover Dam completed two years ahead of schedule. View of completed Hoover dam in mid to late 1930's with 1930s automobiles passing by and parked on top of the dam. From a 1962 production about the dam.

Location: Nevada United States USA
Date: 1935
Duration: 3 min 19 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675071604
U.S. President Franklin Delano Roosevelt at the Grand Opening of the Hoover Dam (then the Boulder Dam) in Nevada.

Completion of Hoover Dam (then the Boulder Dam) construction in the United States. In September 1935, U.S. President Franklin Delano Roosevelt dedicates the Hoover Dam to the nation's progress and commends its designers and builders, at the dam site. Views of the Hoover Dam showing its beauty and architecture. From a 1962 production about the dam.

Location: Nevada United States USA
Date: 1935, September 30
Duration: 40 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675071605
Engineers work on manufacture of Hoover Dam's final generator "N8" and parts of N8 are assembled in the United States.

Creation of hydro electric operations at Hoover Dam in the United States. Hydro electric units are built in power house. Creation of hydro electric operations that provide electricity to California, Nevada and Arizona. An engineer works during manufacture of generator N8. Manufacturing of Hoover generator. A man works on welding. Men carry steel plates. Views of turbine wheel and men working near the wheel. Rail car transports N8 parts. N8 parts are transfered from canyon to power house via cable ways. A man signals. Manned cable way operator operated during dam construction. The interior of Nevada wing power house. Technicians assemble the engines installed. The crewmen prepare N8 equipped for receiving generating unit. The men remove temporary slab from turbine. Steel lamination plates stacked around rotary frames. An overhead crane carries the N8 parts. N8 parts assembled. On December 1961, world's largest hydro electric plant is completed.

Location: Nevada United States USA
Date: 1962
Duration: 4 min 37 sec
Sound: Yes
Color: Color
Clip Type: Edited
Language: English
Clip: 65675071606
Automobile traffic near and on top of the Hoover Dam and views of Hoover Dam in Nevada.

Aerial View of the Hoover Dam in Nevada. Automobile traffic driving alongside of and on top of Hoover Dam. Generators in the power house of Hoover Dam. Wide shot of Hoover Dam. Closeup us raging Colorado River water, followed by shot of controlled stream from Hoover Dam.

Location: Nevada United States USA
Date: 1962
Duration: 41 sec
Sound: Yes
Color: Color
Clip Type: Edited
Language: English
Clip: 65675071607
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