Search for all of "Black Canyon", all of "Black Canyon ariz And Nev"

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101 Object thumbnail
Hoover Dam from Lookout Point on the Nevada side with cars in foreground View of construction on Hoover Dam from a lookout point on the Nevada side. The dam wall is nearly completed and construction on the intake towers is seen in the background. In the foreground, people stand at the...
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Hoover Dam from Lookout Point on the Nevada side View of the Hoover Dam construction site within Black Canyon. The dam wall, intake towers and the road across the top of the dam wall are nearly complete. Construction equipment and buildings are seen in the mountains, and the Colorado...
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Hoover Dam from the downstream side View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The mouths of the diversion tunnels are seen in the foreground and the dam wall is nearly complete. Construction equipment,...
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Hoover Dam from the downstream side with bridge and buildings View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The dam wall is nearly complete and the mouths of the diversion tunnels can be seen. Building plants and construction equipment are...
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Hoover Dam under construction View of Hoover Dam in the later stages of construction. The Colorado River can be seen above the dam. The intake towers now rise behind the dam and this view also shows concrete forms, hoisting equipment and...
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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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Dragline loading gravel An electric dragline is seen loading gravel into a railway dump car in a gravel pit. Some workers stand beside the equipment. Mountains are seen in the background.
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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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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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Low level concrete mixing plant seen from the Arizona side of the Colorado River View taken from the cliffs on the Arizona side of the Colorado River of the low level concrete mixing plant. Roads and buildings are seen near the river bank on the Nevada side.
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Cape Horn on the Colorado River showing cliff buildings Shows the Six Companies construction camp at Cape Horn on the Colorado River. Shows several buildings on the bank above the river.
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Diversion tunnels during Hoover Dam construction Photo shows the Arizona diversion tunnels during the construction of Hoover Dam. Two men, railroad trucks, a temporary bridge, some temporary structures and a cable over the canyon are also shown.
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Blasting at Hoover Dam construction site. Shows blasting at the Hoover Dam construction site. A road along the Colorado River and a building on the opposite shore can be seen as well as mountains in the background.
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Blasting on the Arizona side of the cableway bench excavation View from the lower portal of railroad tunnel no. 1 of rock blasting on the Arizona side of Black Canyon. Power poles and power lines are seen lining a dirt road leading to the blasting site. Other cables hang...
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Man standing on trestle bridge on the Colorado River pointing at anchoring cables A man stands on the trestle bridge near the gravel pit and points at the cables attached to the upstream face of the bridge used to anchor the bridge in case of high water. Three-inch cables [were] anchored to...
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Close-up of construction workers rigging a cableway over the Colorado River Two construction workers are seen rigging a "skip," or platform, to a cableway above the Colorado River in Black Canyon. The skip will be used to cross the river above the canyon.
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Construction workers on cableway transport over the Colorado River Construction workers are seen being transported over the Colorado River in Black Canyon via a "skip," or platform, attached to overhead cableways.
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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 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...
120 Object thumbnail
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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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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Boulder Canyon. A view of the Colorado River flowing through Black Canyon. In the forground are construction workers standing on a wooden trestle that is built along side the canyon wall. The workers appear to be dumping dirt from the trestle into...
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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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Boulder Canyon floor after water from river had been diverted. A view of Black (not Boulder)Canyon floor after the Colorado River has been diverted. Construction scaffolding can be seen in the lower right of the photograph.
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Construction workers at bottom of Boulder Canyon Two construction workers stand at what appears to be an entrance to a tunnel in Black (not Boulder) Canyon. Cables are visible above the men.
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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 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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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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Construction of the Arizona power house foundations View of construction of the foundations of the Arizona power house in the Colorado River bed in Black Canyon. Concrete pouring forms stand in the river bed and other construction equipment can be seen. Construction workers can be seen at...
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Construction on the foundation of the Arizona power house View of construction on the foundations of the Arizona power house in the Colorado River bed in Black Canyon. Concrete pouring forms stand in the river bed below the partially finished face of Hoover Dam, and other construction equipment can...
135 Object thumbnail
Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. Unfinished...
136 Object thumbnail
Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. Concrete pouring forms and other construction equipment are seen on the partially finished dam face and in the river bed below it. The...
137 Object thumbnail
Aerial view of the 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. A cooling tower is seen in the foreground. The partially finished dam face is covered with concrete pouring forms and other construction equipment....
138 Object thumbnail
Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face is covered with concrete pouring forms and other construction equipment. Unfinished penstock openings are seen in the canyon...
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Construction on the Nevada intake towers View from the Arizona side of the Hoover Dam construction site of work on the foundations of the Nevada intake towers in the wall of Black Canyon. A railroad bench for delivering concrete is seen near the bottom, in...
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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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Construction on the Nevada power house View of the Hoover Dam construction site, looking upstream on the Colorado River in Black Canyon. The partially finished dam face can be seen on the right, with concrete pouring forms and other construction equipment. Construction of the Nevada power...
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Construction on the power house footings View of the Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. The partially finished dam face is covered with concrete pouring forms and other construction equipment. Vehicles and temporary buildings are seen in the river...
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Producing electricity at the construction site This photograph shows 3 construction workers observing electric generators being hauled up the river bank on wooden tracks through the use of pulleys and ropes. The backround of the picture shows the Colorado River flowing though Black Canyon.
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Workers on the Colorado River A view of construction workers towing a generator behind the boat that they are using to cross the Colorado River.
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View of railroad tracks being laid at Hoover Dam site. A view of railroad tracks on the side of the mountain leading into a tunnel in the background. Both walls of the canyon are visable and the Colorado River is flowing through the bottom of the canyon. In the foreground...
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Aerial view of the Hoover Dam construction site looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Construction on the intake towers is seen in the canyon walls behind the dam face and construction on the power houses is seen in the river bed in the...
147 Object thumbnail
Aerial view of the Hoover Dam construction site looking downstream from the Arizona side Aerial view of the Hoover Dam construction site, looking downstream on the Colorado River in Black Canyon. Construction on the intake towers on both sides of the dam face is shown. The top of the dam face is covered with...
148 Object thumbnail
Hoover Dam construction site viewed from the downstream cofferdam View of the Hoover Dam construction site in Black Canyon from the downstream cofferdam. Construction on one of the Nevada intake towers can be seen behind the concrete dam face. Framework and concrete pouring forms are seen on construction on...
149 Object thumbnail
Construction on the Arizona power house View of construction on the Arizona power house. Framework and concrete pouring forms cover the powerhouse site. The dam face is seen in the background. Construction workers and equipment, vehicles and temporary buildings are seen in the downstream cofferdam.
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Aerial view of the Hoover Dam construction site viewed from downstream on the Colorado River Aerial view of the Hoover Dam construction site taken from downstream on the Colorado River in Black Canyon. Construction on the Nevada and Arizona power houses is shown in the foreground in the cofferdam. Concrete pouring forms cover the top...
 

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