Search for exactly "Construction"

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Hoover Dam construction -- various phases 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...
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Construction scene at Hoover Dam site Shows construction crew and equipment at the Hoover Dam site. Power lines are also in the scene.
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Power house under construction at Hoover Dam site Close-up view of a power house under construction at Hoover Dam. Shows concrete pouring forms and the pouring arrangement. There is a construction building and a construction worker in the lower left corner.
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Construction on crest of Hoover Dam View of the concrete work on the crest of Hoover Dam. Men and construction equipment are visible.
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Hoover Dam construction View of construction in Black Canyon at the Hoover Dam site. Construction workers are standing by the railroad tracks looking at a dynamite blast that is taking place in the distance. The Colorado River is visible as...
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Inside a diversion tunnel -- Hoover Dam construction Shows a construction worker and power shovel inside a diversion tunnel at the Hoover Dam construction site.
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Construction workers inside Hoover Dam diversion tunnel Shows a power shovel dumping concrete into a dump truck inside a diversion tunnel during the construction of Hoover Dam. Construction workers are visible at work.
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Hoover Dam construction 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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Hoover Dam construction equipment Handwritten inscription on back of photo: "16-rigger riding the hook on a cableway (one of nine that span Black Canyon). The highway approach to the dam from the Arizona side can be seen across the canyon."
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Construction of gravel plant near Hoover Dam site Shows the construction of the gravel plant near the Hoover Dam site. A crane is lifing equipment. Construction workers, cars and trucks, and buildings can be seen.
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Lewis Construction Company drilling railroad tunnels of U.S. Construction Railroad to Hoover Dam. Construction workers using construction equipment to drill railroad tunnels.
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Concrete form construction work View of construction workers buidling wooden forms for concrete pouring on Hoover Dam. The concrete dam wall is partially finished, and framework surrounds the beginning construction of the intake towers.
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Construction worker in bulldozer in front of diversion tunnel portal A construction worker sits in a Caterpillar bulldozer in front of an unfinished diversion tunnel portal.
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Construction workers at Hoover Dam Two construction workers at the Hoover Dam site working with heavy machinery.
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Nevada spillway during construction of Hoover Dam Photo shows men working on the Nevada spillway weir. There are concrete forms, various buildings, construction equipment, and a truck in the scene.
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Construction workers on cliffs in Boulder Canyon. Construction workers use ropes to pull themselves up and down the cliffs in Boulder Canyon. The workers use picks to dig trails on the mountainside.
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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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Close-up of Hoover Dam concrete pouring construction taken from the Arizona side, looking downstream View from donwstream on the Arizona side of the Colorado River of concrete pouring construction on Hoover Dam. Construction workers are seen amid multiple concrete pouring forms and scaffolding. A suspended concrete pouring bucket is seen in the middle...
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Construction on Hoover Dam, looking downstream on the Colorado River Aerial view of the Hoover Dam construction site. Construction workers are seen amid concrete pouring forms and other construction equipment. Temporary stairs are attached to the wall of Black Canyon, and a railroad bench used for transportation of concrete buckets...
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Interior of penstock tunnel -- Hoover Dam construction site Interior view of number 4 raise and plug showing construction. Construction workers can be seen at the far end of the tunnel.
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Constructing highway to dam site A view of construction workers operating tractors as they construct a highway across the desert floor during the summer of 1931.
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Construction workers at Hoover Dam. This photograph shows workers operating a power shovel to dig dirt and rocks and put them in a truck at the Hoover Dam site. The picture also shows an air compressor.
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Construction at Hoover Dam This photograph shows construction workers using a hose attached to a tank filled with water to water down the dirt at the Dam site. The water tank is attached to a truck bed. Three workers are operating the water hose....
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Nevada power house at Hoover Dam construction site View of construction of the Arizona power house at the dam site. Hoisting equipment, cables, trucks and construction workers can be seen. Various buildings and structures are pictured as well as roads and concrete pouring forms.
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Downsteam view of Hoover Dam, showing power house construction View of Hoover Dam and power house under construction. Buildings and structures, concrete pouring forms, cables, and a crane can be seen. Some construction workers and trucks are also pictured. Above the dam part of an intake...
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Power house under construction - Hoover Dam site Shows partially completed power house at the Hoover Dam site. A construction worker, ladders, cables and building materials such as lumber are visible.
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Interior view of a power house -- Hoover Dam construction site Shows interior of a power house under construction. A construction worker is visible between the reinforcing steel and pipes.
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Construction on the no. 4 penstock raise Close-up of framework inside the unfinished opening of a penstock tunnel. Construction workers can be seen in the foreground on what appears to be a transportation track.
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Construction on the no. 4 penstock raise View of construction workers on framework inside the no. 4 penstock tunnel portal during construction of Hoover Dam.
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Construction on the four intake towers in Hoover Dam View from the Arizona side of the Hoover Dam construction site of work on the four intake towers. Steel framework rises from the top of each intake tower. Part of the Nevada spillway is seen in the upper right. Construction...
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Construction on the Nevada and Arizona power houses in the downstream cofferdam below Hoover Dam View from the downstream cofferdam of the Hoover Dam construction site. Construction workers, temporary buildings, electric draglines, vehicles and other construction equipment are seen in the cofferdam. Framework rises from the tops of the power houses on both sides of...
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Construction in the no. 4 penstock raise View of construction inside the no. 4 penstock raise. Construction workers stand on the framework and platforms inside the unfinished tunnel.
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Construction on the Arizona power house View of construction on the Arizona power house. Wood and steel framework surround the site. Part of the dam face is seen in the upper left. Construction workers, equipment and temporary buildings are seen in the cofferdam between the Nevada...
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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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Top of Hoover Dam, during construction View of Hoover Dam construction from the top of the dam looking toward the Arizona side. A spillway and intake towers are visible in the background. Concrete pouring forms are shown with construction people at work. Hoisting...
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Top of Hoover Dam, during construction View of the top of Hoover Dam during construction with intake towers and a spillway in the background. A temporary bridge and cableway with trams span the canyon. Construction workers are on top of the dam, working with...
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View of bridge across Hoover Dam during construction View, looking toward Arizona intake tower control house, of construction workers placing concrete forms for pouring on the bridge. There are workers standing on top of the control house, too. A crane can be seen in...
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View of Arizona spillway during construction A telephoto view of the Arizona spillway during the construction of Hoover Dam. Shows the bridge and control house. Trucks, various buildings, and some construcion workers are visible. Cables are overhead and construction roads snake up the...
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Hoover Dam construction, looking down on top Shows construction workers and equipment on the top of Hoover Dam.. They are building the roadway across the dam. Trams on cableways and intake towers can be seen in the background. A bucket is pouring the roadway...
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Intake towers during construction of Hoover Dam Close-up view of the construction of the Arizona intake towers showing forms for the dome of the tower on the left, which is no. 6. Construction workers are on the very tops of the towers doing concrete work. ...
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Construction at Hoover Dam, inside a tunnel Shows construction workers deep inside a tunnel at the Hoover Dam site. The scene is lit with electric lights and a railroad track is visible.
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Nevada valve house roof, looking upstream. View of the roof of the Nevada valve house during construction. Note the low strength pedestals and the double layer of railroad iron being placed. The face of the dam can be seen in the background at the...
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Looking upstream at Hoover Dam during construction An expansive view of the upstream face of Hoover Dam during construction. Various buildings and structures, workers, cars and equipment can be seen. Hoisting machinery and concrete pouring forms can be seen also.
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Top of Hoover Dam during construction Shows the top of Hoover Dam during construction. Construction workers as well as hoisting machinery and other types of equipment are visible atop the dam . Shows the start of utility and elvator towers.
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View of construction on roads around the Arizona spillway View of construction on roads around the completed Arizona spillway, looking downstream on the Colorado River in Black Canyon. Curbs and guard rails are being installed. A dragline, two dump trucks and a temporary building are seen near the spillway....
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Construction on the Nevada spillway A construction worker stands in front of a fence above the Nevada spillway. Construction on one of the intake towers can be seen in the upper left. Concrete pouring forms, other construction equipment and temporary buildings can be seen in...
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Construction on the Arizona power house View from the downstream cofferdam of construction on the Arizona power house. Concrete pouring forms and steel framework stand on top of the power house foundation. The dam face and wall of Black Canyon can be seen in the background....
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Water outlets at Hoover Dam during construction View of the outlet works spewing water. This photo was taken while the dam was still under construction and shows cables, construction equipment and workers.
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Construction on the power houses viewed from the valve house catwalk View of construction on the Nevada and Arizona power houses, taken from the valve house catwalk in the lower cofferdam. The dam face is seen in the background. Concrete pouring forms are visible on the power houses. Temporary buildings, construction...
 

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