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201 - 225 of 1090 Items << < 4 5 6 7 8 9 10 11 12 13 > >>
201 - 225 of 1090 Items << < 4 5 6 7 8 9 10 11 12 13 > >>
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Construction photo showing concrete pouring forms on the face of the dam and on the power houses. The Colorado River is visible behind the dam and two of the intake towers behind the dam can be seen. There are trucks on the floor of the canyon.
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View of Hoover Dam and surrounding area with Fortification Hill in the background. This is a postcard with the following printed on the front: "This is an actual photo of the retouched photograph from which engraving for the Boulder Dam stamp...
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View of the downstream face of Hoover Dam, the reservoir (Lake Mead), and the surrounding area. The intake towers are visible as are some of the transmission towers. Cars are parked on the road across the top of the dam and there is a boat in...
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Panoramic view of Black Canyon and Hoover Dam under construction. Two of the portals to the diversion tunnels are visible. The face of the dam is nearing completion and the concrete pouring forms can be seen. Part of the Colorado River is...
1934-03-28
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Shows the concrete pouring forms for the base of the dam. The upper cofferdam is in the background. Cableways, buildings, construction workers and trucks are visible. A railroad track runs along the side of the wall of Black Canyon.
1933-09-14
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Vew of a Six Companies Inc. trailer loaded with building materials. Some employees are posed, standing next to the truck. "La Crosse Tu-way Trailer"--Sign on trailer. The truck is loaded with rebar.
1934-12-15
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Aerial view of Hoover Dam after completion. The diversion tunnels are in use and the downstream face of the dam and the power houses are visible. There are transmission towers on the canyon walls above and one of the intake towers is visible...
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Shows a general view of dam construction. Cables, buildings, and roads are visible. Concrete pouring forms can be seen at the bottom of the canyon. A portion of the Colorado River is also visible. The cement plant is partially visible at the...
1934-04-17
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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 suspension...
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Shows the huge penstock pipes at the Babcock & Wilcox Plant near the site of Hoover Dam construction. A man is standing next to one of the pipes. A train engine is on the railroad tracks, inside one of the pipes.
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Shows the giant penstocks used in the tunnels at Hoover Dam. One is on a railroad flatcar, the other is being hoisted from the railraod car. There is a construction worker standing on top of the penstock in the air.
1934-04-27
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"Upstream from observation point. Note car going down road." [hand-written inscription on back of photo]
Taken from high above the Colorado River, this view shows roads, bridges, buildings and structures, and a car on the side road.
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Shows the Colorado River in Black Canyon at the beginning of construction on the dam. Some cables are suspended across the river, some construction workers are on the roads next to the river, and a power shovel is visible.
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Shows a truck and wood forms inside a diversion tunnel during the construction of Hoover Dam.
1931-01-08
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View of the drilling jumbo working in one of the diversion tunnels during the construction of Hoover Dam.
1932-01-28
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Shows workers using drills on the floor of Black Canyon at the Hoover Dam construction site.
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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 are various pieces of...
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Aerial view of Hoover Dam looking toward the Arizona side. The upstream face of the dam and intake towers are visible. Shows roads and mountains in the surrounding area.
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This is a re-touched photo of Hoover Dam and the surrounding area. The Colorado River can be seen below the power houses. The intake towers are visible behind the downstream face. The reservoir (Lake Mead) can be seen forming behind the dam....
2024-04-26
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View taken from high above, showing the face of the dam, the power houses, some transmission towers, and the intake towers. Lake Mead is nearly filled and there are boats on the water.
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View of construction on the Hoover Dam power houses from downstream in Black Canyon. Scaffolding is still present on the lower dam face as it nears completion. The peaks of the Nevada and Arizona intake towers can be seen behind the dam face....
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View of the Hoover Dam construction site in Black Canyon from downstream. Framework and concrete pouring forms are visible on the Nevada power house on the left, the Arizona power house on the right and the central portion of the power house at...
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Concrete pouring forms being put in place for the construction of the Arizona valve house. A construction worker, a hook hanging from a crane, ropes for high scaling, and a ladder attached to the side of the cliff are visible.
1935-01-02
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Close-up view of the concrete construction work on the crest of the dam. Partially completed intake tower is visible at upper left. Arizona spillway is also visible.
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Aerial view of the Hoover Dam and Lake Mead area with the mountains and Fortification Hill in the background.
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