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

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Colorado River -- Beginning construction -- Hoover Dam 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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Colorado River -- Hoover Dam site View looking down at the Colorado River in Black Canyon, the future site of Hoover Dam. Roads and buildings can be seen on the banks above the river and some construction equipment is visible.
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Colorado River, early stages of dam construction View of The Colorado River and the construction roads on the sides of the canyons and mountains. Taken from very high above. Some buildings and structures are also visible.
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Aerial view of Colorado River Aerial view of the Colorado River and Black Canyon. Some roads are visible in the area.
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Low level concrete mixing plant seen from the Arizona side of the Colorado River View taken from the cliffs on the Arizona side of the Colorado River of the low level concrete mixing plant. Roads and buildings are seen near the river bank on the Nevada side.
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View of Hoover Dam from the downstream side of the Colorado River View of Hoover Dam from downstream on the Colorado River. Water is being discharged from the outlet works of the Nevada valve house on the left. Part of the Nevada power house and the central power house are seen at...
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Looking downstream on the Colorado River running through Black Canyon prior to construction of Hoover... A man sitting on a rock ledge views the Colorado River running downstream through Black Canyon prior to the construction of Hoover Dam. Bridges and catwalks are suspened over the river and dirt roads can been seen on both...
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Aerial view of Hoover Dam, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Visible are the spillways, intake towers, dam face, diversion tunnels and construction on the power houses. Temporary buildings are seen in the cofferdam downstream of the dam face. The...
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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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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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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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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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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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Preliminary construction at Hoover Dam site "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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Hoover Dam construction "Down stream from Observation Point. Buildings on the right side are water sedimentation plants. Water treated for Boulder City. Left side is Arizona side of River." [hand-written inscription on back of photo] This photo was taken high...
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Hoover Dam construction 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...
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Hoover Dam construction 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..." Portals to...
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Early stages of construction of Hoover Dam Handwritten inscription on back of photo: "Hoover Dam -- Down the Colorado River. Dump trucks are on Arizona side and hauling muck to dumping grounds -- no muck can be dumped in the river." The road along...
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Aerial view -- Hoover Dam construction Aerial view of Hoover Dam, Black Canyon, and the Colordo River during the construction of the dam. Two portals of the diversion tunnels are visible. There are trucks and buildings on the cofferdam. The face of the...
 

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