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501 - 525 of 1090 Items << < 16 17 18 19 20 21 22 23 24 25 > >>
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View of the intake towers and crest of Hoover Dam, taken from the side, looking down. Cars are parked on the road which crosses the dam and the roads and mountains are visible in the background.
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Shows the Arizona spillway, intake towers, and reservoir (Lake Mead). Cars are visible on the road leading to the dam and some are parked next to the road.
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Shows the intake towers and the downstream face of the dam. The reservoir (Lake Mead) is starting to fill. There is a car parked on a scenic overlook, facing the dam.
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Aerial view of Hoover Dam looking towards the downstream side of the dam. The outlet works on both sides of the dam are spewing water into the canyon. Lake Mead is beginning to fill. both spillways and roads are also visible.
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Harold Ickes, Secretary of the Interior, is speaking at a lectern at the dedication of Hoover Dam.
1935-09-30
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Completed dam and intake towers. The reservoir (Lake Mead) has begun to fill. There is a power boat on the lake headed toward the dam.
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shows the upstream face of the dam, the intake towers, and construction equipment. There is a little water in the reservoir (Lake Mead). The Arizona spillway is also visible.
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View from the top of the dam showing water streaming from the outlet works of the valve house on the Arizona side. Also shows the Colorado River, the valve house on the Nevada side, the tops of the Arizona and Nevada power houses, and a road along...
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Color transparency showing Hoover Dam lit up at night. The top of the dam with the intake towers, is visible.
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View from above the spillway bridge showing water spilling over. A bus and cars are parked on the bridge and there are cars parked at a scenic overlook next to the water.
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Color transparency of the downstream face of Hoover Dam. Water is spewing from the outlet works and a rainbow is visible in the water spray.
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Shows the intake towers and the face of Hoover Dam. Lake Mead (reservoir)is beginning to fill.
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Color transparency of the interior of Hoover Dam showing the giant generators. A man standing next to a generator gives perspective as to its size.
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Construction on the Arizona power house. A portion of the dam face is seen in the upper left. A construction worker stands on a dump truck in front of the power house and another worker is seen sitting on part of a cableway in the lower center of...
1935-03-26
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Close-up of construction on the central section and a portion of the Nevada side of the power house, directly below the dam face. Concrete pouring forms and other construction equipment are seen around the structures.
1935-05-27
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View of the Arizona valve house built into the wall of Black Canyon. Remnants of scaffolding and construction equipment can be seen around the valve house.
1935-06-24
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Night view, taken from above, of water spewing from the outlet works at Hoover Dam. The scene is lit up with electric lighting.
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Night view of water spewing from the outlet works at Hoover Dam.
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View of the Hoover Dam construction site, looking upstream from the lower cofferdam. The nearly-completed dam face is seen in the background, and cars and trucks are seen on dirt roads in the cofferdam. Scaffolding and concrete pouring forms are...
1935-01-28
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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...
1935-09-26
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General view of the switchyard at Hoover Dam. A power shovel, dump truck, and other construction equipment are visible. Buildings and a few construction workers are also seen.
1935-09-27
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Center of the photo shows diversion tunnel no. 2 with the curved trashrack barricade being constructed in front. Rebar extends up from the concrete barricades. A train trestle runs across the photo, above the diversion tunnel. Cables can be seen...
1934-05-25
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Shows the interior of a valve house. Note three gates and needle valves have been installed.
1935-10-29
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View of Hoover Dam during construction. The view was taken from high above, looking downstream, and shows the intake towers, roads, buildings and structures, a cable across the dam, and the reservoir (later known as Lake Mead).
1935-01-08
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View,looking downstream, of Hoover Dam and the intake towers. There is a boat on Lake Mead (the reservoir).
1935-11-26
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