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326 - 350 of 1090 Items << < 9 10 11 12 13 14 15 16 17 18 > >>
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Shows water flowing from the outlet works of both the Nevada and Arizona valve houses. Also shows the roofs of the power houses on both sides of the river, the Colorado River, and a road along the river.
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Color transparency showing a panoramic view of Hoover Dam at night, looking upstream. The dam is lit up and the face of the dam and the power house are clearly visible. The lights are reflected in the waters of the Colorado River below the dam.
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This color transparency is a view of the top of the dam. The intake towers are visible and cars are driving on the road which crosses the dam. The reservoir (Lake Mead) is almost completely filled.
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View of a spillway and spillway bridge at Hoover Dam. The road across the bridge and the roads around the dam are visible. A car is crossing the bridge and there are cars parked at a scenic overlook. Fortification Hill is visible in the...
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Color transparency of the downstream face of Hoover Dam. This view shows part of the power house, and the intake towers are visible above the face of the dam.
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This photograph shows a view of a wooden frame enclosing a type of mechanical conveyer belt that is used to transport some type of material or tools at the dam site.
2024-04-25
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Color transparency showing aerial view of Lake Mead, Hoover Dam, and the Colorado River.
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View of the Hoover Dam construction site in Black Canyon, showing the nearly-completed dam face and construction on the power houses in the lower cofferdam. Concrete pouring forms are seen on the tops of the power houses. Temporary buildings,...
1935-06-24
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View of the Hoover Dam construction site in Black Canyon, showing the nearly-completed dam face and construction on the power houses in the lower cofferdam. Concrete pouring forms are seen on the tops of the power houses. Temporary buildings and...
1935-06-01
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View from the Arizona side of the Hoover Dam construction site of work on the Nevada valve house. Construction on the Nevada power house is seen in the lower right. Concrete pouring forms are visible on both structures. A temporary bridge is seen...
1935-06-24
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View of the outlet works spewing water. This photo was taken while the dam was still under construction and shows cables, construction equipment and workers.
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Close-up view of intake towers at Hoover Dam with the reservoir (Lake Mead) behind them.
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View of construction on the Nevada power house from the downstream cofferdam. Concrete pouring forms and steel framework stand on top of the power house foundation. The dam face can be seen in the upper right. Temporary buildings, construction...
1935-01-28
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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 the dam face.
1935-09-27
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Upstream view of Hoover Dam construction. Buildings, trucks, and roads are visible. Trams are crossing the canyon on a cableway suspended above the dam.
1935-08-26
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Upstream view of the dam showing the downstream face with multiple catwalks across it. Foreground shows the lower cofferdam with the power houses under construction and a headquarters building. To the right are unfinished Arizona intake towers...
1934-05-31
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Shows Hoover Dam construction from the top of the dam looking down. The power house, valve houses, and lower portals of the diversion tunnels are visible. Various buildings and trucks are also shown. The Colorado River is visible in the upper...
1935-10-28
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Shows the Arizona spillway bridge under construction. Concreting machinery and scaffolding are shown.
1935-01-08
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Shows the Hoover Dam switchyard during construction and excavation. Buildings, roads, and building materials are visible. Trucks and a power shovel are also shown.
1935-11-26
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Shows the building forms inside a tunnel at Hoover Dam. The shot is taken from the downstream Nevada adit, looking toward a downstream plug. Several construction workers can be seen.
1935-08-27
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Shows the interior of a power house pump gallery being constructed at Hoover Dam. Shows wiring and electric lights.
1935-04-10
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View of two intake towers under construction. Left tower is further along than right. To far left can see temporary stairway going up the side of the canyon. In left foreground can see pouring forms for the dam itself. Himix and Lomix trestles...
1934-04-28
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Shows construction on the spillway on the Nevada side. Shows derrick cranes, cables overhead, part of the dam, and the intake towers under construction.
1934-10-25
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Shows construction workers deep inside a tunnel at the Hoover Dam site. The scene is lit with electric lights and a railroad track is visible.
1935-03-04
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