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476 - 500 of 1090 Items << < 15 16 17 18 19 20 21 22 23 24 > >>
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Aerial view of Hoover Dam and the surrounding area showing the downward face of the dam, the intake towers, Lake Mead and a portion of the Colorado River. Water is flowing from the outlet works.
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View of construction of Hoover Dam from the upper portals. Hoisting machinery and an intake tower are visible. The Colorado River in Black Canyon can be seen also.
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Shows early stages of the construction of the intake towers for Hoover Dam. Cranes and various types of construction equipment are visible.
1934-01-24
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Aerial view of the completed Hoover Dam and the surrounding area showing the Colorado River below the dam and Lake Mead (the reservoir) above the dam. Water is flowing from the outlet works, and some of the portals to the diversion tunnels can be...
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Aerial view of Hoover Dam showing the downstream face and Lake Mead (the reservoir). The wing of the plane taking the photograph is visible in the lower part of the photo.
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Close-up view of the face of the dam with the concrete pouring forms. The face is nearly completed. A road is visible behind the dam.
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Shows the construction of Hoover Dam when the face of the dam was being built. Concrete pouring forms are visible as well part of the cofferdam.
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Aerial view of Hoover Dam taken from the Arizona side. Part of the upstream face is visible as are the intake towers. The reservoir (Lake Mead) is forming and cars are visible on the road across the top of the dam. Roads leading up to the dam...
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Handwritten inscription on back of photo: "Building of new suspension bridge downstream from upper portals. Note man riding down on bridge section." Hoisting equipment is visible suspended high above the Colorado River in Black Canyon.
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Shows the gravel plant under construction near the Hoover Dam site. Railroad tracks are visible also.
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Handwritten inscription on back of photo: "Looking upstream into Black Canyon toward Boulder damsite after river had been diverted thru diversion tunnels Nos. 3 and 4. Temporary back-wash dike seen immediately upstream from tunnel out..."...
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Shows construction equipment being lowered by cable at the site of Hoover Dam construction. Buildings, other construction equipment, and workers are visible.
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Handwritten inscription on back: "Unloading dirt for coffer dam" from railroad cars.
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This postcard shows the construction of Hoover Dam in four different stages. All views were taken from the same point looking upstream. The first image shows Black Canyon and the Colorado River at the very beginning of construction (1931). The...
2024-05-01
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View of the top of the dam from the Arizona side. Intake towers are visible on the Arizona and on the Nevada side. The reservoir (Lake Mead)is more than two-thirds full of water. Automobiles are seen on the road across the top of the dam. A road...
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View of Hoover Dam construction site, looking straight down into Black Canyon. "Straight down into canyon. I leaned over the cliff to get this one. Taken from in front of observation point." -- [hand-written inscription on the back of the...
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Shows construction buildings, roads, and trucks in the mountains near the Hoover Dam site.
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Shows the construction of one of the diversion tunnels at Hoover Dam.
1933-01-30
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Shows a construction worker standing in concrete at the Hoover Dam construction site. Concrete forms can be seen as well as the huge bucket used to pour concrete into the forms. The bucket was lowered by hoisting machinery, which is attached to...
1934-01-07
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Shows men scaling the walls of Black Canyon to set dynamite blasts. There are trucks on a raod in the bottom of the canyon. This photo is a postcard.
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Close-up view of upstream face of Hoover Dam and the power houses during construction.
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Shows a box car being lowered by hoist at Hoover Dam during construction. The power houses and intake towers are visible as well as the upstream face of the dam. A cableway stretches across the canyon, supporting the hoist.
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This postcard shows a view of Hoover Dam and the reservoir (Lake Mead) taken from high above the site. The downstream face of the dam is visible as are the intake towers. Lake Mead is beginning to fill. Some transmission towers are visible and...
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Night view of the downstream face of Hoover Dam. The power houses, the face of the dam, and the water are illuminated by electric lighting.
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View of the Hoover Dam construction site from downstream on the Nevada side. Construction on the intake towers nears completion behind the dam face. Scaffolding is still present on the dam face and cables run overhead. Temporary buildings are...
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