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UNLV Digital Collections
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Shows the Nevada spillway and the face of the dam in the background. Cars are visible on the road across the top of the dam. Some of the intake towers are also visible. Construction equipment, buildings, and roads are shown. The Colorado River...
1935-07-26
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Shows the switchyard, rigging loft, and surrounding area near Hoover Dam. The mountains are in the background and roads, buildings, and construction equipment are visible.
1935-07-26
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View of downstream plug, from the Nevada plug adit. Note the forms for the first pour being built.
1935-07-26
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View looking upstream of the dam and power house. Cables with trams and temporary bridges span the canyon. Trucks, roads, buildings and construction equipment can be seen.
1935-07-25
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View from above of the dam, showing the road across the top. Intake towers are visible also. Cars are on the road across the top of the dam.
1935-07-26
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Shows the Nevada valve house during construction. It is built into the side of the canyon wall. Below it is the refrigeration plant. Cables, a truck, buildings, and scaffolding can be seen.
1935-07-26
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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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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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View from the bottom of the canyon looking upstream at the dam and the power house. Trucks, lumber, and a cable spanning the canyon are visible. Pieces of lumber are piled around the site.
1935-10-28
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Interior view of a diversion tunnel, showing the water conduit being placed. Scaffolding is visible and the area is lit with electric lighting.
1935-10-28
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View of excavation and construction at the Hoover Dam switchyard. Note the Boulder Dam highway in the back (now U.S. 93). Power shovels, trucks, and buildings are visible, with the mountains in the background.
1935-10-28
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Shows the interior of a diversion tunnel at Hoover Dam during its construction. A construction worker and equipment can be seen. Note the cleanup operations, getting ready for the carpenters.
1935-10-29
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Two photographs mounted together show panoramic view of the constructon of the Hoover Dam. Nevada spillways on the right. Toward the left is a temporary bridge across the canyon, a Nevada intake tower being constructed, the upstream face of the...
1934-05-12
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View from canyon rim looking upstream through the Arizona spillway. Scaffolding is in the foreground in preparation of building the bridge over the spillway. To the left are the spillway gates with a crane extending behind.
1934-05-25
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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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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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View through diversion tunnel no. 3 showing concrete plug poured to close the tunnel. On the upper left another tunnel angles into the main tunnel. Mud and debris coat the tunnels.
1934-05-25
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View looking upstream toward Hoover Dam. Alos shows the entrance to a tunnel and the powerhouses under construction. Trucks, cables, a cableway with trams, and other construction equipment can be seen.
1935-09-26
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View of the power house from the top of Hoover Dam, looking down. The valve houses are visible on the sides of the canyon. Roads, trucks, buildings, and the concrete pouring forms can also be seen.
1935-09-26
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President Franklin D. Roosevelt is speaking at the dedication of Hoover Dam. Some members of the audience are visible behind him.
1935-09-30
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Shows the intake towers after completion. Note the concrete shingle arrangment. Shows the Colorado River below the towers.
1935-09-27
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Shows the interior of a diversion tunnel during construction. Construction materials are visible.
1935-09-27
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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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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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Shows the power house and valve houses in a photo taken from the top of Hoover Dam. Buildings and concrete pouring forms are visible.
1935-08-26
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