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UNLV Digital Collections
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Shows the interior of a power house cable gallery during the construction of Hoover Dam. It is illuminated with electric lighting.
1935-04-10
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Interior view of a a valve house under construction at Hoover Dam. An emergency gate is being installed. Construction materials are lying on the floor.
1935-08-27
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View of the roof of the Nevada valve house during construction. Note the low strength pedestals and the double layer of railroad iron being placed. The face of the dam can be seen in the background at the right. High scaling equipment is...
1935-08-27
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Shows the switchyard control house, yard and substation. Workers, trucks, construction equipment and roads are visible.
1935-08-26
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Shows the cleanup of the Arizona side of the lower portals. Buildings and trucks are visible. The portal juts out from the side of the canyon.
1935-08-26
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Shows the cleanup work being done at the lower portal on the Nevada side of the canyon. A power shovel with men aboard is visible. Also cables and other equipment can be seen. The portal is jutting out of the side of the canyon.
1935-08-26
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Shows the Nevada construction adits, valve house and plug adit portal. Note the absence of the compressor plant. The beginning of the upstream of the lower portal road tunnel is visible. Buildings and structures, roads, and cables are visible.
1935-08-21
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Shows the building forms inside a tunnel at Hoover Dam. The shot is taken from the downstream Nevada adit, looking toward a downstream plug. Several construction workers can be seen.
1935-08-27
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An expansive view of the upstream face of Hoover Dam during construction. Various buildings and structures, workers, cars and equipment can be seen. Hoisting machinery and concrete pouring forms can be seen also.
1935-02-25
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View looking down from the top of Hoover Dam during construction. It shows the power houes, the valve houses and the lower cofferdam. Cars and trucks, buildings and structures, roads, and various equipment can be seen. A cable spans the canyon...
1935-02-25
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View of the Arizona intake towers during construction. They are on the side of the canyon and the Colorado River is visible below. Above and behind the towers a cableway is suspended and other equipment can also be seen.
1935-02-25
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Shows the Nevada intake towers at Hoover Dam under construction. Hoisting equipment and cables are visible. At the left of the photo is the face of Hoover Dam. Some buildings and structures are visible at the base of the towers.
1935-02-25
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Shows a downstream view of the Hoover Dam project from the crest of the dam. Power house and lower portals of diversion tunnels are seen. Buildings and structures, trucks and roads are visible also.
1935-11-26
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Panoramic view of Black Canyon and Hoover Dam during construction. A man is standing on the mountain, looking toward the scene. Note the reservoir (Lake Mead) and Fortification Hill in the background. The portals of the diversion tunnels are...
1935-11-23
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View,looking downstream, of Hoover Dam and the intake towers. There is a boat on Lake Mead (the reservoir).
1935-11-26
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Shows the Hoover Dam switchyard during construction and excavation. Buildings, roads, and building materials are visible. Trucks and a power shovel are also shown.
1935-11-26
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Shows the road approaching Hoover Dam from the Nevada side and the top of the dam during construction. Note the rubble wall being built and excavation for tower footings. Trucks, hoisting machinery, and cables with trams are visible. The intake...
1935-11-26
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Shows construction looking upstream in a tunnel at Hoover Dam. One of the pipe sections is in place. Scaffolding and other building materials are shown.
1935-11-25
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Shows the pipe inside a diversion tunnel at Hoover Dam during construction. Electric lights illluminate the scene. Building materials are visible.
1935-11-25
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Shows the upstream side of Hoover Dam during construction. Cableways with trams span the canyon. Intake towers and power houses are visible along with other buildings and structures.
1935-01-02
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Shows the top of Hoover Dam during construction. Construction workers as well as hoisting machinery and other types of equipment are visible atop the dam . Shows the start of utility and elvator towers.
1935-01-08
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Looking across Hoover Dam from the Arizona side, showing elevator and utility towers under construction. Buildings and structures are visible on the side of the canyon.
1935-01-02
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View of Hoover Dam during construction. The view was taken from high above, looking downstream, and shows the intake towers, roads, buildings and structures, a cable across the dam, and the reservoir (later known as Lake Mead).
1935-01-08
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Shows the Arizona spillway bridge under construction. Concreting machinery and scaffolding are shown.
1935-01-08
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Taken from high up, this photo shows the Arizona spillway, highway bridge, and Arizona highway. Mountains and roads can be seen in the background. Buildings, cables, and various types of construction equipment are shown.
1935-07-25
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