Search for all of "Construction w", all of "Spillways"

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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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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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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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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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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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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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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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Construction on the Nevada spillway weir View of construction on the Nevada spillway weir. Scaffolding, concrete pouring forms and other construction equipment are seen at the site.
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Excavation for bridge abutment in Arizona spillway. Construction workers are seen above concrete pouring forms and scaffolding during construction of the Arizona spillway in Hoover Dam. An electric dragline can be partially seen in the upper left.
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Construction on the Arizona intake towers and spillway View of construction on the foundations of the Arizona intake towers and on the Arizona spillway in Black Canyon. The partially finished face of Hoover Dam is seen in the lower right.
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Nevada spillway during construction of Hoover Dam Shows the Nevada spillway in the background. Taken from the Arizona side of the dam, this view shows a temporary stairway, cables, hoisting machinery and other construction equipment.
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Intake towers and spillway -- Hoover Dam construction View of the intake towers and the spillway on the Arizona side of the dam during construction. Hoisting equipment, concrete forms, and high scaling equipment can be seen.
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Nevada intake towers under construction Shows the Nevada intake towers during construction. Taken from the Arizona side of the Hoover Dam site, hoisting equipment, a train trestle, a temporary stariway up the side of the canyon and concrete forms are visible. In the...
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Aerial photo of Hoover Dam construction site This aerial photo shows various parts of the dam under construction. Cableways, an overhead tram, various buildings and structures, railroad tracks, trestles, and concrete forms are visible. Also shows the Arizona spillway, Arizona intake towers, the Himix plant...
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Construction on the Arizona spillway Close-up of the partially-completed construction on the Arizona spillway.
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Construction on the Nevada spillway View of construction on and around the partially-completed Nevada spillway. Construction workers can be seen working on the cylinder gates in the middle of the spillway. An electric dragline is seen on a trestle near the bottom of the spillway.
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Construction workers on the drum gates in the Arizona spillway Two construction workers standing on a suspended scaffold work on the drum gates on the Arizona spillway.
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Construction on the Nevada spillway View of construction on the Nevada spillway in Black Canyon. An electric dragline is seen on a trestle in front of the spillway.
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Construction on the Arizona spillway View of construction on the Arizona spillway in Black Canyon. An electric dragline can be seen at the top left of the dirt road above the spillway. Construction on one of the penstock tunnels can be seen inside the spillway.
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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 Arizona spillway and the no. 4 penstock raise in Black Canyon View of construction on the Arizona spillway and the no. 4 penstock raise. Black Canyon surrounds the construction site. An electric dragline and trucks are seen on the dirt road above the spillway.
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Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam... Aerial view of the Hoover Dam construction site in Black Canyon showing the upstream dam face, which has concrete pouring forms on the top of it, the Arizona and Nevada spillways, and the unfinished Arizona intake towers. The Colorado Rivers...
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Construction on the Arizona intake towers View of construction on the Arizona intake towers. Steel framework protrudes from the tops of the towers. A derrick crane is seen above the towers, and the Arizona spillway is visible in the background. Part of the dam face, covered...
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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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Construction view of Hoover Dam, looking downstream A view, looking downstream, of the spillways and intake towers during the construction of the dam. Temporary bridges and cables with trams span the canyon. Various buildings, a trestle, and construction roads can also be seen.
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View of a spillway bridge during construction of Hoover Dam View looking under the Arizona spillway bridge as it is being constructed. A train car is silhouetted under the bridge and various pieces of construction equipment are visible, including cables, hoisting machinery and scaffolding.
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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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View of Nevada spillway during construction of Hoover Dam Telephoto view from above looking into the Nevada spillway. The control house is being formed. There are various buildings and structures and trucks in the picture. Also shows hoisting machinery.
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Hoover Dam during construction, from the Nevada side Shows the dam from the Nevada side. The completed road, parapets, and intake towers are visible. One of the spillways can be seen in the background. There are trucks and people on the new road.
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Hoover Dam under construction Aerial view of the downstream side of Hoover Dam showing the intake towers and spillways. Construction equipment, buildings, and roads are visible. There are some cars on the road crossing the dam.
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Looking downstream into the Nevada spillway. Shows construction on the spillway on the Nevada side. Shows derrick cranes, cables overhead, part of the dam, and the intake towers under construction.
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View of no. 1 plug showing the arch and raise Shows the concrete pouring forms and the gunited portions of the arch and raise that goes into the Nevada spillway. Also shows construction equipment and construction workers.
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View showing installaion of 100-ft. drum gates in the Arizona spillway. Right side of image shows three drum gates in varying stages of installation. Foreground gate is the most complete. Cable way can be seen across the top. Concrete forms are on the left.
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Arizona intake towers and spillway Center of image shows two Arizona intake towers under construction. Right hand tower is more complete than left hand tower, which is just beginning to take shape. A crane is positioned above and between the towers. In right...
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View of spillway during construction of Hoover Dam Taken from high up, this photo shows the Arizona spillway, highway bridge, and Arizona highway. Mountains and roads can be seen in the background. Buildings, cables, and various types of construction equipment are shown.
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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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Panorama looking downstream showing dam, spillways, intake towers and cableways Two photographs mounted together show panoramic view of the constructon of the Hoover Dam. Nevada spillways on the right. Toward the left is a temporary bridge across the canyon, a Nevada intake tower being constructed, the upstream face...
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Arizona spillway, looking upstream. View from canyon rim looking upstream through the Arizona spillway. Scaffolding is in the foreground in preparation of building the bridge over the spillway. To the left are the spillway gates with a crane extending behind.
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Spillway during Hoover Dam construction View of the Nevada spillway drainage flume and general area. Mountains are visible in the background.
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Hoover Dam construction -- spillway View looking toward the Arizona spillway while it is under construction. Note the excavation for the float well supply line. Power shovels are visible.
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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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Upstream view of the completed Nevada spillway drainage flume and surrounding area in Black Canyon Upstream view of the completed Nevada spillway drainage flume and surrounding area in Black Canyon.
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Looking upstream from the Arizona spillway gate house towards construction on the upstream abatement wall View looking upstream from the Arizona spillway gate house towards construction on the upstream abatement wall in Black Canyon. An electric dragline is seen on the right behind the spillway. Concrete pouring forms are visible on the abatement wall...
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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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Looking into the Arizona spillway raise. View of construction inside the Arizona spillway raise. A concrete-pouring jumbo on tracks is being used for grouting. Other concrete pouring forms can be seen on the interior spillway walls.
 

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