Search for all of "Colorado River", all of "Hoover Dam ariz And Nev -- Design And Construction", 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 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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Hoover Dam construction View of the construction of Hoover Dam, looking upstream. Shows concrete forms, high scaling equipment, construction roads, and a train winding along the side of the canyon. The Colorado River is visible above the construction site; various...
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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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Hoover Dam during construction Construction photo of Hoover Dam. Shows a train winding along the canyon, concrete forms, buildings and structures above the dam, construction roads, high scaling equipment and a cable suspended over the canyon. The Colorado River is visible above...
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Hoover Dam construction View of the Hoover Dam construction site from high above the canyon. The Colorado River is visible above the dam site. A cable spans the canyon, there is a train winding along the canyon wall, and construction roads...
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Looking downstream on the Hoover Dam construction site This view, taken from the Nevada side of the canyon, shows the lower cofferdam being excavated. Trucks, buildings, , and construction roads are visible. The Colorado River can be seen below the site. There is a temporary...
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Spillway and Hoover Dam during construction Shows the Nevada spillway and the face of the dam in the background. Cars are visible on the road across the top of the dam. Some of the intake towers are also visible. Construction equipment, buildings, and...
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Hoover Dam -- valve outlet on the Arizona side View from the top of Hoover Dam showing water streaming from the outlet works in the valve house on the Arizona side. Also shows the Colorado River, the valve house on the Nevada side, and the tops of the Arizona...
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Hoover Dam -- valve outlet in operation on the Arizona side View from the top of the dam showing water streaming from the outlet works of the valve house on the Arizona side. Also shows the Colorado River, the valve house on the Nevada side, the tops of the Arizona and...
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Hoover dam -- water flowing from valve outlets Shows water flowing from the outlet works of both the Nevada and Arizona valve houses. Also shows the roofs of the power houses on both sides of the river, the Colorado River, and a road along the river.
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Hoover Dam -- looking downstream showing the valve outlets Water pours from the outlet works on the Nevada valve house. Also shows the Nevada valve house, the tops of the power houses on the Nevada and Arizona sides, the Colorado River, and a road by the side of the...
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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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Construction of Hoover Dam Construction photo showing the Colorado River with temporary suspension bridges, roads along the side of the canyon, trucks, and buildings.
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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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