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126 - 150 of 1090 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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Shows a power shovel dumping concrete into a dump truck inside a diversion tunnel during the construction of Hoover Dam. Construction workers are visible at work.
1933-10-30
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Shows a drilling jumbo and other construction vehicles inside a diversion tunnel during the construction of Hoover Dam.
1932-02-05
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Shows the construction of Hoover Dam. One of the portals of the diversion tunnels is visible. Dynamite blasting is taking place in the canyon and trucks and various construction buildings are visible on the cofferdam. Also shows some...
1933-05-10
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Aerial view of Hoover Dam looking towards the Nevada side. The reservoir (Lake Mead) and intake towers are visible. The Arizona spillway can be seen and part of the upstream face of the dam is also visible. Shows mountains and roads in the...
1935-08-10
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View of construction workers working on Hoover Dam. They are building railroad tracks at the site. Equipment and a truck can be seen.
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This postcard shows the downstream face of Hoover Dam at night. The intake towers and some transmission towers are visible, lit by electric lighting.
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View of construction on the power houses at the base of Hoover Dam. Construction on the Nevada and Arizona intake towers is also seen behind the dam face, where the Colorado River is held behind the upper cofferdam. Cables carrying concrete...
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Concrete pouring forms are being put into place for the construction of the Nevada power house. Construction materials, construction equipment, temporary buildings, and ropes for high scaling are visible.
1934-12-19
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View of Hoover Dam under construction. A portal to a diversion tunnel is visible at lower left. The power houses can be seen as well as several buildings in the lower right of the photo on the cofferdam.
1935-07-25
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Aerial view of Hoover Dam, the Colorado River, Lake Mead, and the surrounding mountains including Fortification Hill. The wing of the airplane in which the photographer was riding can be seen in the upper left corner of the photo.
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Over-view of the Hoover Dam construction. This telephoto view, taken from atop one of the mountains overlooking the construction site, shows the spillways, the intake towers, and the downstream face of the dam. The Colorado River is visible as...
1934-08-17
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Close-up of one of the spillways at Hoover Dam. Transmission towers are visible on the mountains above the spillway.
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Close-up view of the outlet works spewing water at the dam. Appears to have been taken at dusk. The entrances to two of the diversion tunnels are visible.
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Shows a portion of a power house at Hoover Dam with a transmission tower above it.
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President Franklin Roosevelt speaking standing at a lectern at the dedication of Hoover Dam on Sept. 30, 1935.
1935-09-30
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Upstream side of Hoover Dam showing the intake towers, which are almost finished. The reservoir (Lake Mead) has begun to fill, and a man is rowing a boat on the lake. There is a wooden walkway laid over piers or pontoons on the right. There is...
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Water pours from one of the outlets in the valve house on the Arizona side. Workers walk along a walkway by the Nevada power house or stand and look at the water. There is a mountain in the background.
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View of face of dam showing water coming out of the outlet works on the Arizona side. A bridge, a cableway above the dam, the mouths of several diversion tunnels, the Nevada power house, and construction equipment are visible. The Colorado River...
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This color transparency is an aerial view looking upstream of Hoover Dam, the Colorado River, Lake Mead (the reservoir), and the mountains surrounding the area. Fortification Hill is in the background.
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This color transparency is a panoramic view of the upstream face of the dam. The intake towers are visible in the almost filled reservoir (Lake Mead). The roads next to and across the dam have been completed. A scenic overlook on the road can be...
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View of the face of Hoover Dam and the intake towers. A motor boat is visible on Lake Mead (the reservoir), which is beginning to fill.
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Color transparency (aerial view) of Hoover Dam and Lake Mead. Part of the Colorado River is also visible.
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Aerial view of the Hoover Dam, nearing completion, in Black Canyon. Visible are the dam face, intake towers and spillways, and the Nevada valve house is seen in the middle left. The Colorado River is seen upstream of the dam. The roadway crossing...
1935-06-04
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