Search for all of "Colorado River", all of "Diversion Tunnels", all of "Bridges"

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Water flowing into Colorado River, June 16, 1933 The Colorado River flows out of the diversion tunnels in the Hoover Dam construction site in Black Canyon. Bridges are seen crossing the river and the canyon.
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View of Hoover Dam from the downstream side of the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the outlet works of the Nevada valve house on the left. Part of the Nevada power house and the central power house are seen at...
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Water discharging from the Nevada and Arizona outlet works into the Colorado River View of water discharging from the Nevada and Arizona outlet works in the valve houses into the Colorado River downstream from Hoover Dam in Black Canyon. Diversion tunnel portals and a steel bridge are seen in the foreground. Two of...
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Dump trucks on temporary dike in front of portals of diversion tunnels no. 3 and... View of the temporary dike created to divert the Colorado River into the diversion tunnels. Dump trucks and construction workers are seen on the temporary pile bridge and the portals of diversion tunnels no. 3 and 4 are seen in...
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View of Hoover Dam from downstream on the Colorado River View of Hoover Dam from downstream on the Colorado River. The Nevada power house is vivisble on the left, and water is being discharged from the outlet works of the Arizona valve house on the right. The diversion tunnel portals...
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View of water discharging from the Nevada and Arizona outlet works into the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the Nevada and Arizona outlet works in the valve houses. The diversion tunnel portals and a steel bridge are seen in the foreground. Cables are...
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Partially washed-out truck bridge across from diversion tunnels 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.
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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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Blasting at Hoover Dam site View of construction in Black Canyon at the Hoover Dam site. Construction workers are standing by the railroad tracks looking at a dynamite blast that is taking place in the distance. The Colorado River is visible as...
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Hoover Dam construction "Upstream toward lower portals." [hand-written inscription on back of photo] This view shows the Colorado River in Black Canyon during the early stages of the construction of Hoover Dam. A suspension bridge across the river can be...
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Looking up Hoover Dam 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 canyon....
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Construction -- Hoover Dam Handwritten inscription on back of photo: "Rex motor mixer that has been picked off a white truck and being swung into position at tunnel #1 with load of cement." Shows hoisting machinery, railroad tracks, a steam locomotive, a...
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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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