Results
76 - 100 of 1090 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
76 - 100 of 1090 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
|
Taken inside penstock tunnel no. 5, perspective to the left shows upstream view through the tunnel. Foreground shows manway tunnel angling down and to the right.
1934-04-28
|
|
Shows construction of the Nevada power house with reinforcing and the walls around the penstock openings. Also shows a pumpcrete machine in the butterfly valve gallery between the rock abutement and the turbine rooms.
1934-10-30
|
|
Telephoto view of the Arizona valve house under construction, taken from the Nevada side of the canyon. Some buildings and structures as well as cables and railroad tracks are visible.
1935-02-25
|
|
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.
1935-03-25
|
|
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.
1934-10-25
|
|
Shows Hoover Dam construction from Lookout Point. The intake towers and the Colorado River are visible above the dam. The power houses are being constructed on the floor of the canyon. Also shows trams on cableways stretched across the canyon,...
1934-09-29
|
|
Aerial view of the Hoover Dam construction site looking upstream on the Colorado River in Black Canyon. Construction on the power houses in the lower cofferdam is seen in the foreground. The roof of a temporary building is seen in the middle of...
1934-08-31
|
|
View from the downstream cofferdam of the Hoover Dam construction site. Construction workers, temporary buildings, electric draglines, vehicles and other construction equipment are seen in the cofferdam. Framework rises from the tops of the power...
1934-09-27
|
|
Aerial view of construction on the top of the Hovoer Dam. Construction workers watch as a concrete pouring bucket, seen on the left side of the picture, is hoisted over the site. The Arizona intake towers are visible in the background.
1934-06-22
|
|
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 the...
1934-07-24
|
|
Shows interior of a power house under construction. A construction worker is visible between the reinforcing steel and pipes.
1934-04-25
|
|
A view of construction workers towing a generator behind the boat that they are using to cross the Colorado River.
2024-04-25
|
|
View of a train carrying cars loaded with sand. The train trestle is visible as well as the bins at Himix Concrete Plant where rock and sand are dumped.
1934-04-17
|
|
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
|
|
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
|
|
View of construction on the Nevada spillway weir. Scaffolding, concrete pouring forms and other construction equipment are seen at the site.
1933-12-27
|
|
View of construction on the bases of the Arizona intake towers in the Hoover Dam construction site in Black Canyon.
1933-12-27
|
|
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.
1933-12-01
|
|
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 high...
1933-10-31
|
|
This shows a construction worker operating a construction tractor which is loading dirt and rocks into the scoop on the front of the tractor.
2024-04-25
|
|
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.
1933-09-30
|
|
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...
1933-09-14
|
|
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.
1933-06-16
|
|
Photo shows various buildings and structures, railroad tracks, trucks and power lines. There is blasting taking place in the background between the mountains.
2024-04-25
|
|
Shows construction equipment and buildings in Black Canyon. There is a platform built on the side of the canyon and a cable line overhead transporting trams.
2024-04-25
|
