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UNLV Digital Collections
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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.
1933-12-29
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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 bed...
1933-12-15
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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...
1933-12-27
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View of construction on the Nevada spillway weir. Scaffolding, concrete pouring forms and other construction equipment are seen at the site.
1933-12-27
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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 the site...
1934-03-16
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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 be...
1934-04-01
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Close-up of the concrete pouring forms for the Arizona power house retaining wall. Some concrete has already been poured. Temporary buildings, construction workers and vehicles can be seen in the background at the foot of the Hoover Dam face.
1934-03-14
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Close-up of scaffolding and construction on one of the power houses in the Hoover Dam construction site. Sections of pipe and other construction equipment can be seen on the ground in the foreground.
1934-03-28
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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...
1934-03-16
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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...
1934-04-01
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View of the Himix concrete mixing plant building and silos at the Hoover Dam construction site. The railroad bench for transportation of buckets of concrete can be seen on the wall of Black Canyon above the plant. The corner of a hoist house and...
1934-03-01
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Interior of lower no. 2 plug, illuminated by electric lighting. Concrete pouring forms for an arch and walls are seen. Other construction equipment is seen on the tunnel floor. A "700" is marked on the rock near the roof of the tunnel in the...
1934-02-20
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Close-up of construction workers setting up concrete cooling pipes in the Hoover Dam construction site.
1934-02-20
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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.
1934-02-20
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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...
1934-02-15
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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...
1934-03-01
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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 front of the partially...
1934-02-20
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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.
1934-02-20
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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...
1934-02-20
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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 left, with concrete pouring forms and other construction equipment. Construction of the Arizona...
1934-02-20
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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...
1934-02-20
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Aerial view looking over the top of construction on the face of Hoover Dam. Construction workers can be seen amid concrete pouring forms and other construction equipment. A railroad bench for transportation of concrete can be seen in the lower...
1934-02-20
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Shows the "Train of Tomorrow" at the upstream face of Hoover Dam, where concrete is transferred from trains to the dam. Hoisting machinery, high scaling equipment, and train trestle can be seen. There is a group of people standing outside the...
1934-03-09
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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.
1934-03-24
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Interior view of number 4 raise and plug showing construction. Construction workers can be seen at the far end of the tunnel.
1934-03-28
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