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UNLV Digital Collections
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View of the Hoover Dam construction site within Black Canyon. The dam wall, intake towers and the road across the top of the dam wall are nearly complete. Construction equipment and buildings are seen in the mountains, and the Colorado River can...
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View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The mouths of the diversion tunnels are seen in the foreground and the dam wall is nearly complete. Construction equipment, buildings...
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View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The dam wall is nearly complete and the mouths of the diversion tunnels can be seen. Building plants and construction equipment are seen...
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View of Hoover Dam in the later stages of construction. The Colorado River can be seen above the dam. The intake towers now rise behind the dam and this view also shows concrete forms, hoisting equipment and a tram running across a cable high...
1934-07-31
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View of a power house on the Nevada side taken during the construction of Hoover Dam. Shows power penstock tunnels, scaffolding, construction equipment and trucks.
1934-07-20
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A close-up view of the intake towers on the Arizona side of Hoover Dam during construction. They are nearly completed, but there is scaffolding at the top of the towers.
1934-07-24
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View of the spillway on the Arizona side of Hoover Dam, showing steel gates in position. Towers to supply electric power higher up the hill.
1934-07-24
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A man is standing on the bank of the Colorado River in Black Canyon.
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View of the flooded Colorado River in Black Canyon during construction on Hoover Dam. The portals of diversion tunnels nos. 3 and 4 are seen in the canyon wall and bridges and catwalks cross the river. Some buildings are seen in the riverbed...
1932-02-10
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View of the flooded Colorado River, facing the unfinished portal of diversion tunnel no. 3 during construction of Hoover Dam. A temporary building is seen on the riverbed in the flood waters.
1932-02-10
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A stranded gas-air shovel is seen standing in the flooding of the Colorado River riverbed during construction on Hoover Dam. The mouth of one of the diversion tunnels is seen in the canyon wall in the background. Other construction equipment lies...
1932-02-10
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View from a partially washed-out truck bridge, looking across the flooded Colorado River during construction of Hoover Dam. The mouths of two diversion tunnels are seen in the cliff wall in the background.
1932-02-10
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A man is seen standing in the Hoover Dam construction site gravel pits on the Arizona side of the Colorado River. The hills in the background are across the river in Nevada, five miles away.
1932-01-16
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An electric dragline is seen loading gravel into a railway dump car in a gravel pit. Some workers stand beside the equipment. Mountains are seen in the background.
1932-02-10
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A dragline dumps gravel into the railway dump car in a gravel pit. Plymouth gasoline locomotive switching. Construction workers are seen observing the operation.
1932-02-10
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Locomotive pulling several dump cars loaded with gravel, leaving the gravel pits. The desert and mountains are seen in the background.
1932-02-10
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Close-up of construction workers installing the foundations of a trash rack in front of the portal of diversion tunnel no. 2. This is where the first pay concrete was poured.
1932-03-07
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High scalers work on the cliff face above the unfinished portals of diversion tunnels no. 1 and no. 2. Construction equipment, trucks and workers are seen on the road in front of the tunnels. Rigging and ropes hang from the cliff face.
1932-03-07
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View out of the upper portal of the unfinished diversion tunnel no. 2. A Bucyrus-Erie 43-B gas-aire shovel is seen near the mouth of the tunnel and reflected in a pool of water inside the tunnel. A man stands in the middle of the tunnel mouth.
1932-03-07
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Construction workers are seen working with a drilling jumbo inside diverson tunnel no. 4.
1932-03-08
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Close-up of construction workers using a drilling jumbo to excavate the interior of one of the diversion tunnels. The tunnel is illuminated by floodlight.
1932-03-08
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A medic or doctor is seen standing by an automobile that has been converted into an ambulance. The vehicle is parked directly outside a small building with the sign "First Aid Hospital" on it. Another building on scaffolding in the mountain face...
1932-03-08
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A construction worker sits in a Caterpillar bulldozer in front of an unfinished diversion tunnel portal.
1932-03-08
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A worker is seen inside a drill sharpening station using a drill sharpener. A hot forge is also seen inside the building in the foreground.
1932-02-15
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View of construction on the highways which will cross the top of the dam in Black Canyon. A rubble stone masonry retaining wall is in place.
1932-03-02
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