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View from the downstream cofferdam of the Hoover Dam construction site. Construction workers, temporary buildings, electric draglines, vehicles and other construction equipment are seen in the cofferdam. Framework rises from the tops of the power...
1934-09-27
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Close-up of construction on the Nevada powerhouse. Construction workers stand amid piles of lumber on the ground. Wood and steel framework is seen at the top of each draft tube in the power house.
1934-09-27
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View of construction on the Nevada power house seen from the Arizona valve house bench. Framework rises from the top of the power house. Temporary buildings can be seen in the cofferdam in front of the power house. Part of the dam face can be seen...
1934-09-27
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View of construction on the Arizona power house seen from the Nevada valve house bench. Framework rises from the top of the power house. Temporary buildings, construction equipment and vehicles can be seen in the cofferdam in front of the power...
1934-09-27
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View of construction on the Arizona spillway and the no. 4 penstock raise. Black Canyon surrounds the construction site. An electric dragline and trucks are seen on the dirt road above the spillway.
1934-08-21
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Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam face, which has concrete pouring forms on the top of it, the Arizona and Nevada spillways, and the unfinished Arizona intake towers. The Colorado Rivers flows...
1934-08-17
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View of construction inside the no. 4 penstock raise. Construction workers stand on the framework and platforms inside the unfinished tunnel.
1934-08-21
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Construction inside the upper no. 3 plug showing framework, pipe sections and a pumpcrete used for pumping concrete.
1934-08-25
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Aerial view of the Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Construction on the power houses in the lower cofferdam is seen in the foreground. The roof of a temporary building is seen in the middle of...
1934-08-31
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View of construction work inside the portal of the no. 1 penstock raise. Construction workers can be seen on the framework outside of the portal.
1934-08-31
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View of construction on the Arizona intake towers. Steel framework protrudes from the tops of the towers. A derrick crane is seen above the towers, and the Arizona spillway is visible in the background. Part of the dam face, covered with concrete...
1934-06-21
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View of construction on the Nevada intake towers. Steel framework protrudes from the tops of the towers. Concrete pouring buckets can be seen on the rarilroad bench below the towers. Derrick cranes can be seen in the canyon walls above and beside...
1934-06-21
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Construction workers are seen working amid the wood and steel framework during construction of the Arizona power house. Unfinished penstock tunnel portals can be seen in the canyon wall in the background.
1934-06-14
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Night view of the Hoover Dam construction site viewed from the lower cofferdam. Electric lights illuminate the dam face, the canyon walls and construction on the Nevada and Arizona power houses below. Temporary buildings are seen in the foreground...
1934-06-19
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View of construction on the Nevada power house. The dam face is seen in the upper right. Unfinished penstock portals are seen in the canyon wall. Temporary buildings and construction equipment are seen in the cofferdam between the Nevada and...
1934-06-21
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View of construction on the Arizona power house. Wood and steel framework surround the site. Part of the dam face is seen in the upper left. Construction workers, equipment and temporary buildings are seen in the cofferdam between the Nevada and...
1934-06-21
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Shows Hoover Dam construction from Lookout Point. The intake towers and the Colorado River are visible above the dam. The power houses are being constructed on the floor of the canyon. Also shows trams on cableways stretched across the canyon,...
1934-09-29
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Shows Hoover Dam at night, lit by electric lights, during construction period. The intake towers rise behind the dam. A cableway stretches across the top of the canyon. The power houses are visible at the base of the dam.
1934-09-29
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This view, taken from the Nevada side of the canyon, shows the lower cofferdam being excavated. Trucks, buildings, , and construction roads are visible. The Colorado River can be seen below the site. There is a temporary bridge acorss the...
1934-09-17
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View of Hoover Dam construction from the Arizona side of the canyon. The upstream face of the dam is visible. The intake towers are nearing completion. Temporary bridges, scaffolding, a train trestle, and trams traveling across the canyon on a...
1934-09-27
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View of Hoover Dam construction site with the intake towers and Colorado River visible above. The power houses are under construction at the base of the dam. A cable spans the canyon and several construction buidngs are shown. There is high...
1934-11-02
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View of Hoover Dam construction from the top of the dam looking toward the Arizona side. A spillway and intake towers are visible in the background. Concrete pouring forms are shown with construction people at work. Hoisting machinery is also...
1934-10-17
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View of the top of Hoover Dam during construction with intake towers and a spillway in the background. A temporary bridge and cableway with trams span the canyon. Construction workers are on top of the dam, working with the concrete.
1934-10-17
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View of the Nevada intake towers during construction. The photo was taken from the Arizona side of the canyon and shows suspended temporary bridges, a railroad track and cars on the side of the canyon, a trestle, and various types of...
1934-10-25
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A view, looking downstream, of the spillways and intake towers during the construction of the dam. Temporary bridges and cables with trams span the canyon. Various buildings, a trestle, and construction roads can also be seen.
1934-10-25
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