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51 Object thumbnail
Nevada Spillway, looking upstream. Construction of the Nevada Spillway in the Hoover Dam construction site. Concrete pouring forms are seen attached to the partially-finished concrete wall A dragline is seen at the site and one construction worker scales the finished concrete wall. Numerous...
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Water flowing into Colorado River, June 16, 1933 The Colorado River flows out of the diversion tunnels in the Hoover Dam construction site in Black Canyon. Bridges are seen crossing the river and the canyon.
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Arizona Spillway, looking upstream. View of construction of the Arizona Spillway in the Hoover Dam construction site. Concrete pouring forms and steel rods protruding from the unfinished spillway walls are seen around the partially finished concrete walls. Dirt roads and temporary buildings can be...
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Hoist House and Nevada Anchorage, Government Cableway. Cables run through a tower in Black Canyon. Two men stand at the foot of the anchoring cables outside a hoisting mechanism building in the Hoover Dam construction site. Trucks and temporary buildings are seen outside the hoisting house.
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Trains on Elevation 720 Railroad Bench, hauling conrete to Hoover Dam. Freight cars carrying buckets of concrete are seen on a temporary railway built onto the canyon wall at the Hoover Dam construction site. Concrete setting in pouring forms in the dam site and construction workers are seen below.
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Aerial view of concrete pouring in the Hoover Dam construction site Aerial view of the Hoover Dam construction site in Black Canyon showing multiple concrete pouring forms. Various trucks and vehicles are seen on the canyon floor and a temporary railway bench is seen on the cliff wall on the left...
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Concrete pouring forms in the Hoover Dam construction site View of multiple concrete pouring forms in the Hoover Dam construction site in Black Canyon. A concrete pouring bucket is suspended over the site by a cableway. A temporary railway bench is seen in the canyon wall in...
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Looking upstream at the Arizona Spillway. View of construction of the Arizona spillway. Concrete pouring forms are attached to the partially finished concrete walls. A dirt road and temporary buildings can be seen in the background.
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Looking upstream at the Nevada Spillway. View of construction of the Nevada Spillway in the Hoover Dam construction site in Black Canyon. Concrete pouring forms and steel rods protruding from the unfinished spillway ways are seen around the finished parts of the concrete walls. Cables...
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Concrete plant Shows the blending plant on the side of Black Canyon; it is part of the Himix Concrete Plant.
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Hoover Dam cooling tower and refrigeration plant during construction View of Hoover Dam during construction, looking downstream. The cooling tower and refrigeration plant are visible; also shows concrete forms, high scaling equipment, and various consruction materials and trucks. There is a man in the lower left-hand corner...
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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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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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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 -- cooling tower and refrigeration plant Shows close-up of Hoover Dam cooling tower and refrigeration plant during construction. Photo was taken looking downstream. Buildings and structures and cables are in the photo. Includes the caption, "Telephoto view of Boulder Dam, cooling tower and refrigeration...
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Arizona spillway during construction of Hoover Dam Close-up of the Arizona spillway during construction. Roads and buildings are visible.
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Nevada spillway during construction of Hoover Dam Close-up of the Nevada spillway, looking downstream, during the construction of Hoover Dam. Cables, construction equipment, and roads are visible.
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Interior of spillway tunnel, Hoover Dam site Shows concreting equipment inside No. 1 spillway tunnel during the construction of Hoover Dam.
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Hoover Dam during construction View of Hoover Dam site, looking upstream. A railroad winds along the canyon and the Colorado River is visible above the dam site. Buildings and structures, high scaling equipment, and concrete forms are also visible.
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Hoover Dam under construction View taken high above Hoover Dam construction site showing the forms for poruing the concrete. There are trucks, buildings, a railroad, and roads visible. The Colorado River can be seen above the site. Other construction equipment shown includes...
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Interior of diversion tunnel during Hoover Dam construction View of interior of diversion tunnel No. 3 during the construction of Hoover Dam.
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Hoover Dam during construction View of the Hoover Dam construction site from high above showing forms for the poring of the concrete, looking downstream. There are trucks, a train along the canyon wall, and buildings in the picture. Construction equipment includes...
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Spillway weir under construction -- Hoover Dam site Shows the Nevada spillway weir under construction. Scaffolding, temporary stairways, a construction shed, and other equipment can be seen.
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Construction of intake towers and spillway -- Hoover Dam site Site where the intake towers and the spillway on the Arizona side of the dam are being built. Construction roads, high scaling equipment, and other construction equipment can be seen.
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Construction of Hoover Dam intake towers Photo shows the site of the construction of the intake towers on the Nevada side of the dam. High scaling equipment, a crane, scaffolding, construction buildings and equipment are visible.
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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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Hoover Dam under construction Aerial photo of the Hoover Dam construction site showing forms for poring concrete. Forms for the power house gallery are visible. A train winds along the canyon wall, there is high scaling equipment on the walls, and the...
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Construction of diversion tunnels -- Hoover Dam site View of construction taking place at the upper portals of the diversion tunnels for Hoover Dam. Power shovel, buildings, roads, and scaffolding can be seen. Only the exterior portions of the tunnels are visible.
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Himix Concrete Plant at Hoover Dam site View of the Himix Concrete Plant at the Hoover Dam site. The structure is mutli-storied and built into the side of the canyon. There is a flatbed truck with a cement bucket on the back and cement mixers...
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Close-up of Hoover Dam construction A close-up view of Hoover Dam construction. There is a railroad running along the canyon, concrete forms, a truck, and a building. Temporary stairways have been built into the canyon walls.
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Construction of Hoover Dam intake towers Shows site where the intake towers are being constructed on the Arizona side of Hoover Dam. Shows high scaling equipment and various structures including the boom derrick.
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Forms for transition at the downstream plug of Diversion Tunnel No. 2. Interior of diversion tunnel no. 2, illuminated by electric lights, showing construction workers with concrete pouring forms. The tunnel walls are partially finished.
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Nevada spillway weir section. View of the weir section of the Nevada Spillway nearing completion. Construction equipment and concrete pouring forms are seen around the area. Two small buildings, one raised on a trestle and one below the spillway, are also visible. Two...
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Nevada Spillway, looking upstream. View of the Nevada spillway, nearing completion, looking upstream from the Colorado River in Black Canyon. Concrete pouring forms and construction equipment are visible on the spillway walls and floor. Power lines are seen running overhead, and Black...
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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 of the power house foundation in Hoover Dam View from downstream on the Colorado River of construction on Hoover Dam. The dam wall is covered with scaffolding, ladders, concrete pouring forms and other construction equipment. The base of the power house is seen in the foreground.
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Close-up of slot at the upstream face of Hoover Dam View of construction on the upstream face of Hoover Dam. Construction equipment, including a Marion type 490 electric dragline, concrete pouring forms, scaffolding and temporary buidlings are seen at the site.
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Construction on upstream face of Hoover Dam View of construction on the upstream face of Hoover Dam. Construction equipment, scaffolding and concrete pouring forms are seen on and around the dam wall. Temporary stairs are seen attached to the wall of Black Canyon on the...
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Construction of the bases of the Arizona intake towers View of construction on the bases of the Arizona intake towers in the Hoover Dam construction site in Black Canyon.
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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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Construction on the Nevada intake towers View of initial construction of the Nevada intake towers in the Hoover Dam construction site in Black Canyon. Temporary stairs are seen attached to the canyon wall, and a railroad bench is seen near the bottom of the canyon wall.
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Construction on the upstream face of Hoover Dam View of construction on the upstream face of Hoover Dam in Black Canyon. Scaffolding, concrete pouring forms and other construction equipment are seen around the site. Temporary buildings and trucks are seen in the foreground.
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Construction on the downstream face of Hoover Dam View of construction on the downstream face of Hoover Dam in Black Canyon. Scaffolding, ladders, concrete pouring forms and other construction equipment are seen at the site.
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View taken looking upstream on the Colorado River of the Hoover Dam construction site Aerial view taken looking upstream on the Colorado River in Black Canyon of the Hoover Dam construction site. Multiple concrete pouring forms and other construction equipment are seen on the dam face. Temporary buildings and a temporary bridge...
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Close-up of two-way trailer Two men stand beside an empty two-hundred ton two-way trailer next to a railroad track. An automobile is parked in front of an industrial building seen in the background, and other buildings are seen by the railroad track.
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Excavation for downstream plug, Diversion Tunnel No. 2. Interior of diversion tunnel no. 2, showing excavation work. Construction workers stand on and below scaffolding to reach the tunnel walls and ceiling. Trucks are seen on the tunnel floor. The site is illuminated by electric lighting. ...
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View of two hundred ton two-way trailer, with test load Several men inspect a two hundred ton two-way trailer loaded with construction materials. The trailer stands next to a railroad track, and in front an industrial building. Mountains can be seen in the background.
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Excavation for downstream plug, Diversion Tunnel No. 3. Construction workers are seen excavating the interior of diversion tunnel no. 3. The tunnel is illuminated by electric floodlights. Construction equipment is seen on the tunnel floor.
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Aerial view of Hoover Dam construction site looking upstream on the Colorado River Aerial view of Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Concrete pouring forms are seen around the dam wall in the center of the picture. Buildings, vehicles and roads are seen in the river...
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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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