Search for all of "Tunnels", all of "Davis Glenn A photographer", all of "Hoover Dam ariz And Nev -- Design And Construction"

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      Title Description
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No. 1 and no. 2 tunnels View of the mouths of diversion tunnels no. 1 and no. 2. A steel bridge crosses the Colorado River over Black Canyon.
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Looking up Black Canyon during construction of the diversion tunnels Looking upstream on the Colorado River flowing through Black Canyon at the Hoover Dam construction site. Bridges and catwalks are suspended over the river and the newly-dug mouths of the diversion tunnels are seen on both sides of the...
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Looking up Black Canyon during the construction of the diversion tunnels View of the Colorado River running through Black Canyon at the Hoover Dam construction site. Workers can be seen walking over bridges and catwalks that are suspended over the river, and on dirt roads that run alongside the river. ...
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Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel Interior view of construction on the Nevada side of the no. 2 diversion tunnel. The tunnel walls are illuminated by electric lights. A truck and workers are seen in the middle of the tunnel floor.
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Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel Interior view of construction on the Nevada side of the no. 2 diversion tunnel. Scaffolding rigged with electric lights is standing on the middle of the tunnel floor.
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Sidewall concreting in diversion tunnel no. 4 showing workers Construction inside diversion tunnel no. 4. Steel beams rigged with electric lights frame the tunnel walls and ceiling. A construction truck and workers are seen on the tunnel floor. Two workers are in the foreground.
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Penstock tunnel, Hoover Dam Aerial view of the Hoover Dam construction site on the Colorado River in Black Canyon. Cables are suspended across the canyon and a dirt road runs along the canyon floor. Early construction on a penstock tunnel can be...
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Sidewall concreting inside diversion tunnel no. 4 Construction inside of diversion tunnel no. 4. Steel beams rigged with electric lights frame the walls and ceiling of the tunnel. A construction truck and workers are seen on the tunnel floor. In the distance a gantry...
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Hoover Dam from the downstream side View of face of dam showing water coming out of the outlet works on the Arizona side. A bridge, a cableway above the dam, the mouths of several diversion tunnels, the Nevada power house, and construction equipment are visible. The...
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Hoover Dam from downstream side Shows the face of the dam with water streaming from the outlet works on both sides. Also shows the central power house, the mouth of a diversion tunnel on the Nevada side, and Fortification Hill in the background.
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Hoover Dam -- upstream side Shows upstream side of the dam with the almost-finished intake towers. Also shows the mouth of a diversion tunnel and derrick cranes on both sides of the canyon. The reservoir (Lake Mead) has begun to fill.
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Hoover Dam -- upstream side Shows upstream face of dam with almost-completed intake towers. The reservoir (Lake Mead) has started to fill, and a man is rowing a boat on the lake. The mouth of a diversion tunnel on the left side of the picture...
 

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