Search for all of "Construction w", all of "Hoover Dam ariz And Nev -- Design And Construction"

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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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Looking across the river at the lower portal of Diversion Tunnel No. 3. View of the flooded Colorado River, facing the unfinished portal of diversion tunnel no. 3 during construction of Hoover Dam. A temporary building is seen on the riverbed in the flood waters.
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Gas-air shovel caught in the flooded Colorado River A stranded gas-air shovel is seen standing in the flooding of the Colorado River riverbed during construction on Hoover Dam. The mouth of one of the diversion tunnels is seen in the canyon wall in the background. Other construction equipment...
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Partially washed-out truck bridge across from diversion tunnels View from a partially washed-out truck bridge, looking across the flooded Colorado River during construction of Hoover Dam. The mouths of two diversion tunnels are seen in the cliff wall in the background.
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Trash rack structure being installed in front of diversion tunnel no. 2 Close-up of construction workers installing the foundations of a trash rack in front of the portal of diversion tunnel no. 2. This is where the first pay concrete was poured.
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Looking out of the interior of diversion tunnel no. 2, with gas-air shovel inside the... View out of the upper portal of the unfinished diversion tunnel no. 2. A Bucyrus-Erie 43-B gas-aire shovel is seen near the mouth of the tunnel and reflected in a pool of water inside the tunnel. A man...
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Workers and drilling jumbo inside diversion tunnel no. 4 Construction workers are seen working with a drilling jumbo inside diverson tunnel no. 4.
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Close-up of workers using a drilling jumbo inside a diversion tunnel Close-up of construction workers using a drilling jumbo to excavate the interior of one of the diversion tunnels. The tunnel is illuminated by floodlight.
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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 of the highway which will cross the top of the dam View of construction on the highways which will cross the top of the dam in Black Canyon. A rubble stone masonry retaining wall is in place.
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Construction workers using a drilling jumbo inside a diversion tunnel Construction workers using a drilling jumbo to excavate one of the diversion tunnels.
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Future Hoover Dam reservoir area seen from Black Canyon View from Black Canyon of the area which, when submerged, will become the Hoover Dam reservoir. In the foreground, a car is seen traveling a dirt road, and a lone construction worker views the scene from atop the rocks....
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Panoramic view of the Upper Cofferdam, looking downstream Panoramic view of construction in the upper cofferdam of Hoover Dam in Black Canyon. A dragline is seen in the middle of the canyon floor. Several trucks, construction equipment and construction workers are also seen in the canyon.
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Concrete pouring forms in the Hoover Dam construction site in Black Canyon Aerial view of the Hoover Dam construction site in Black Canyon showing multiple concrete pouring forms in front of a cofferdam. Draglines and trucks can be seen on the canyon floor, and overhead cableways carry cargo across the site.
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Cut-off trench at upstream side of Hoover Dam. Construction workers and equipment are seen in a cut-off trench in the upstream side of the Hoover Dam construction site.
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Concrete pouring forms below a cofferdam in the Hoover Dam construction site Construction workers are seen working on the concrete pouring forms below a cofferdam in the Hoover Dam construction site. Concrete begins to set in the forms. A dragline can be seen in the distance and lines for high scalers are...
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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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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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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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