Results
2651 - 2675 of 3004 Items << < 102 103 104 105 106 107 108 109 110 111 > >>
2651 - 2675 of 3004 Items << < 102 103 104 105 106 107 108 109 110 111 > >>
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Shows the cement plant at the Hoover Dam construction site.
1934-03-01
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Shows a box of equipment being lowered by cable into Black Canyon during the construction of Hoover Dam. Roads and a truck are visible.
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Shows a hydraulic turbine being transported to Hoover Dam. The sign on the turbine says "Hydraulic turbines, Boulder Dam, Allis Chalmers". A man is standing next to the turbine, which is fastened to a flat car (railroad car).
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Shows a giant penstock pipe being lifted by hoisting machinery. Several construction workers are looking on and one is helping with the lifting. A tractor is also visible.
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Looking east through Hemenway Wash towards the Colorado River from the newly constructed Highway 93.
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View of the Colorado River before the water was diverted to build Hoover Dam. Suspension bridges across the river are visible and various buildings can be seen on the lower walls of Black Canyon.
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"Down-stream from Observation Point -- note tunnel in center of picture. Trucks hauling muck from Nevada portals must go through this tunnel to dumping grounds one mile away. [150 feet to river straight down]"-- [hand-written inscription on back...
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Shows transport trucks and construction workers in Black Canyon next to railroad tracks.
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View looking upstream through diversion tunnel no. 2 at intersection with inclined tunnel from upstream Nevada intake tower (inscription on back of photo). Shows concrete pouring forms and one construction worker standing looking up the tunnel...
1934-01-31
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Shows two construction workers doing concrete work at the Hoover Dam site.
1933-08-31
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Shows men scaling the walls of Black Canyon to set dynamite blasts. In the background on the floor of the canyon buildings and trucks are visible.
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View of blasting at Black Canyon during construction of Hoover Dam. Part of the Colorado River is visible as are construction buildings and equipment on the side of the canyon.
1931-10-04
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View of the construction of Hoover Dam. A box car is being lowered by hoist. The power houses are visible as are the intake towers. A cableway spans the canyon high above the site.
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View looking down on the downstream face of Hoover Dam from on high. The intake towers are visible and the reservoir (Lake Mead) is nearly filled. There is a boat on the lake and there are cars parked on the road across the top of the dam. Some...
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Shows downstream face of the dam, the power houses, the waters of the Colorado River below the power houses, and transmission towers on the cliffs above the dam.
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View of construction on the lower face of Hoover Dam. Framework and concrete pouring forms for the power houses are visible at the base of the dam face. Construction on the Nevada and Arizona intake towers is seen behind the dam face. Cables for...
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Upstream face of Hoover Dam when construction was still going on on the top of the dam and on the intake towers. The Arizona intake tower is on the left and the Nevada intake tower is on the right. A cableway is visible above the dam, and there...
1935-01-28
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Rebar inside a diversion tunnel under construction. A blurry image of two construction workers is at the top of the picture.
1934-12-19
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Aerial view of Hoover Dam and the surrounding area. Part of the Colorado River, Lake Mead, and Fortification Hill are visible. The outlet works are open, spewing water. Several of the portals of the diversion tunnels can be seen as well as the...
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View of the upstream face of Hoover Dam during construction. The power houses are visible as are the tops of the intake towers. Cableways span the canyon high above the construction site.
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Rugged canyon walls along the shore of Lake Mead on the lower end of the Grand Canyon. A power boat with a person standing on it and several other people sitting onboard is on the lake coming toward the camera.
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View of Lake Mead looking upstream from the dam with Fortification Hill in the background. There is a power boat on the lake coming toward the camera.
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Aerial view of Hoover Dam and the surrounding area. The outlet works are open, spewing water. The portals to three of the diversion tunnels are visible. The tops of the intake towers, the central power house, and the entire upstream face of the...
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Shows the downstream face of the dam with the outlet works spewing water. The entrances to two of the diversion tunnels are visible. There is a dump truck parked on one of the side roads.
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