Search for all of "Colorado River", all of "Black Canyon ariz And Nev"

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Blast scales down the canyon walls for the construction of the intake towers This picture shows blasting in Black Canyon to scale down the canyon walls so that the intake towers can be built for Hoover Dam. Part of the river is visible.
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Aerial view of the future site of Hoover Dam Shows Black Canyon and the Colorado River where Hoover Dam was later constructed. Some roads and railroad tracks are visible, as well as a small building.
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Hoover Dam construction site Shows Black Canyon and the Colorado River at the site of the construction of Hoover Dam. Some roads and railroad tracks are visible as well as buildings. Shown also are railroad cars and a temporary suspension bridge.
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Hoover Dam construction 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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Penstock tunnel, Hoover Dam Aerial view of the Hoover Dam construction site on the Colorado River in Black Canyon. Cables are suspended across the canyon and a dirt road runs along the canyon floor. Early construction on a penstock tunnel can be...
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Low mix concrete plant Aerial view of the Colorado River running through Black Canyon. The buildings and structures forming the low mix concrete plant are seen on the right side.
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Hoover Dam construction, looking upstream Upstream view of the Hoover Dam construction. Shows concrete forms, construction buildings, and a train winding along the edge of the canyon. The Colorado River is visible above the construction site.
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Hoover Dam construction, looking upstream View from on high of Hoover Dam construction, looking upstream. The Colorado River can be seen above the dam. Also shows concrete forms, a train winding along the side of the canyon, high scaling equipment, construction buildings, and...
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Hoover Dam construction, looking upstream Overhead view of the construction of Hoover Dam in Black Canyon. Looking upstream, the Colorado River is visible above the dam site. Also shows concrete forms, a train winding along the side of the canyon, and various construction...
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Hoover Dam construction, looking upstream Construction site of Hoover Dam in Black Canyon, looking upstream. Above the site is the Colorado River. Shows concrete forms, a train winding along the wall of the canyon, various construction buildings, hoisting machinery, and a cable suspended...
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Hoover Dam construction, looking upstream View of Hoover Dam construction site, looking upstream. Above the site is the Colorado River. There are concrete forms, construction buildings, hoisting machinery, and a cable high above the Black Canyon in the picture. There is also...
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Hoover Dam construction, looking upstream Construction photo of Hoover Dam in Black Canyon, showing the Colorado River above the dam site. Also shows concrete forms, a train winding along the canyon wall, high scaling and hoisting machinery, various construction buildings and a cable suspended...
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Hoover Dam construction, looking upstream Overhead view of the construction of Hoover Dam in Black Canyon with the Colorado River visible above the dam site. In the photo are concrete forms, various construction buildings, a train winding along the side of the canyon, high...
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Hoover Dam from the downstream side with bridge and buildings View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The dam wall is nearly complete and the mouths of the diversion tunnels can be seen. Building plants and construction equipment are...
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Hoover Dam under construction View of Hoover Dam in the later stages of construction. The Colorado River can be seen above the dam. The intake towers now rise behind the dam and this view also shows concrete forms, hoisting equipment and...
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Lower portals of Diversion Tunnels No. 3 and No. 4, during the flood. View of the flooded Colorado River in Black Canyon during construction on Hoover Dam. The portals of diversion tunnels nos. 3 and 4 are seen in the canyon wall and bridges and catwalks cross the river. Some buildings...
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Aerial view of Colorado River-Black Canyon Aerial view of the Colorado River in Black Canyon and the surrounding area.
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View of Hoover Dam construction, early stage An aerial view of the Colorado River and Black Canyon during the early stages of Hoover Dam construction. The photo was taken from near the top of the dam site, on the Nevada site. It shows a building,...
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Surveyors overlooking Black Canyon. Two surveyors pose as they are working high above Black Canyon. The Colorado River is visible far below.
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"Crows Nest" overlooking Black Canyon and the Colorado Two men, possibly surveyors, standing on the edge of the canyon at an overlook known as "Crows Nest", overlooking the Hoover Dam site in Black Canyon. The Colorado River is visible below. Photo is actually a postcard.
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One of the construction sites in Boulder Canyon. Shows construction equipment, a boat, and various structures. Location is a rocky outcrop in Black Canyon (not Boulder Canyon) on the bank of the Colorado River.
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Blasting at Hoover Dam construction site. Shows blasting at the Hoover Dam construction site. A road along the Colorado River and a building on the opposite shore can be seen as well as mountains in the background.
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Rock blasting on the Arizona side of Black Canyon View of Black Canyon and the Colorado River; smoke and dust clouds fill the canyon at the site of rock blasting for the Arizona intake towers. A steel suspension bridge is seen crossing the river upstream.
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High scalers on the Nevada side of Black Canyon High scalers work on the canyon wall on the Nevada side of Black Canyon, excavating for construction of an intake tower. Bridges can be seen in the distance crossing the Colorado River.
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Construction workers on cableway transport over the Colorado River Construction workers are seen being transported over the Colorado River in Black Canyon via a "skip," or platform, attached to overhead cableways.
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Boulder Canyon. View of the Colorado River in Black (not Boulder)Canyon.
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Boulder Canyon. View of the Colorado River flowing through Black Canyon (not Boulder Canyon).
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Aerial view of Boulder Canyon. Aerial view of the Colorado River flowing through Black (not Boulder) Canyon.
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Floor of Black Canyon This shows a view looking down into Black (not Boulder) Canyon during early stages of construction of Hoover Dam. The Colorado River is in the process of being diverted and construction equipment and workers can be seen in the foreground.
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Black Canyon A view of the Colorado River flowing through Black (not Boulder) Canyon. On the right side of the canyon there is a road with two automobiles, some construction equipment, and a construction worker.
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Arizona intake tower derrick. View of construction on the Arizona intake towers, looking upstream on the Colorado River in Black Canyon. A derrick anchored in the intake tower base is seen above the canyon. A temporary bridge is also seen spanning the...
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Boulder Canyon This photograph shows a view of the Colorado River in Black (not Boulder) Canyon.
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Producing electricity at the construction site This photograph shows 3 construction workers observing electric generators being hauled up the river bank on wooden tracks through the use of pulleys and ropes. The backround of the picture shows the Colorado River flowing though Black Canyon.
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Building Black Canyon Highway to Hoover Dam site This is a view looking at the walls of Black Canyon with the Colorado River flowing below. In the foreground of the picture there is a ledge or trail cut into the side of the mountain and there is a...
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Workers on the Colorado River A view of construction workers towing a generator behind the boat that they are using to cross the Colorado River.
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Aerial view of the Hoover Dam construction site looking downstream from the Arizona side Aerial view of the Hoover Dam construction site, looking downstream on the Colorado River in Black Canyon. Construction on the intake towers on both sides of the dam face is shown. The top of the dam face is covered with...
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Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam... 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...
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Blasting and construction on Hoover Dam Blasting in Black Canyon for construction. Construction equiqment can be seen along side the Colorado River.
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Boulder Dam, Hoover Dam looking upstream from the Nevada side. Upstream view of the dam showing the downstream face with multiple catwalks across it. Foreground shows the lower cofferdam with the power houses under construction and a headquarters building. To the right are unfinished Arizona intake towers and...
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View of Hoover Dam from the Nevada side, showing the dam, the intake towers, spillways,... View of Hoover Dam upon completion, taken from the Nevada side of the Colorado River in Black Canyon. Visible are the dam face, the four intake towers, the two spillways and various roadways in the canyon and on top of...
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Night view of the diversion tunnels Night view looking upstream. A spectacular sight with its myriads of lights. Shows lighted bridges across the canyon above the Colorado River.
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Downstream view of Hoover Dam construction site Viewpoint of dam construction from below the lower portals of the diversion tunnels. Muck disposal road shown on both sides of the river. Some trucks are visible in the foreground.
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Looking upstream toward the Nevada intake towers, showing the intake bridge girders in place. View of construction on the Nevada intake towers and a portion of the roadway on the top of the dam face. Construction workers and concrete pouring forms are seen on the top of the dam face on the right. One...
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Aerial view of Hoover Dam, looking downstream from the Arizona side of Black Canyon Aerial view of the Hoover Dam, nearing completion, in Black Canyon. Visible are the dam face, intake towers and spillways, and the Nevada valve house is seen in the middle left. The Colorado River is seen upstream of the dam....
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Looking downstream from the Arizona side of Black Canyon, showing the reservoir level at the... View of the Hoover Dam site looking downstream from the Arizona side of Black Canyon, showing the reservoir level (Lake Mead) at the base of the intake towers.
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View of Black Canyon This shows a view of the Colorado River flowing through Black Canyon not (Boulder). To the right of the picture there is a cloud of dirt and debris drifting into the air from blasting for the dam site.
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Crews and equipment in Black Canyon at dam site A view of the Colorado River flowing through Black Canyon (not Boulder). In the foreground are air compressors and an open sided shed with a construction worker standing inside. There are tracks running along side of the shed following the...
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Construction crews in Boulder Canyon A view of construction workers digging rocks and boulders on the side of Black (not Boulder) Canyon. The Colorado River is flowing through the bottom of the canyon.
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Hoover Dam -- downstream face Color transparency of the downstream face of Hoover Dam. This panoramic view shows the portals of the diversion tunnels, the power house, the walls of Black Canyon, and the Colorado River.
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View of Hoover Dam with Fortification Hill in the background View of Hoover Dam and the Colorado River in Black Canyon. Water is being discharged from the outlet works of the Arizona valve house on the right. The peaks of the intake towers can be seen behind the dam face....
 

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