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26 - 50 of 1090 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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A postcard of a night view of the construction of Hoover Dam. The face of the dam is nearing completion, and the concrete pouring forms are visible. Electric lighting illuminates the scene.
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Aerial view of the completed dam showing the downstream face and powerhouses. Lake Mead (reservoir) can be seen as it fills behind the dam. Water is spilling from the outlet works and one of the lower portals to the diversion tunnels is also...
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Shows beginning stages of construction along the walls of Black Canyon. Some buildings are visible on the walls and the Colorado River is also visible.
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Aerial view of Hoover Dam with the diversion tunnels in use. The power houses are visible as well as the portals to the diversion tunnels. A portion of the Colorado River can be seen.
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Shows the cement plant in Black Canyon at the Hoover Dam construction site. A train is visible on the tracks above the plant.
1934-04-17
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Shows a box of equipment being lowered into Black Canyon during the construction of Hoover Dam. Cables, roads, and a truck are visible.
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Shows giant penstock pipes at the Babcock & Wilcox Plant near the Hoover Dam construction site. Construction workers are visible standing next to one of the pipes, which is 30 feet in diameter. The pipe is on the railroad tracks and a diesel...
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Shows some of the huge penstock pipes at the Babcock and Wilcox Plant. These pipes were used in the construction of Hoover Dam. A man is standing inside one of the pipes.
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"Upstream toward lower portals." [hand-written inscription on back of photo] This view shows the Colorado River in Black Canyon during the early stages of the construction of Hoover Dam. A suspension bridge across the river can be seen as well...
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Shows railroad cars transporting materials for the construction of Hoover Dam. A man is standing on one of the railroad cars.
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"Shows men placing dynamite to flood entrance blocks away from #3 and #4 Arizona side."(inscription on back of photo) The portals to the diversion tunnels are visible. The Colorado River is shown below the portals and buildings and trucks are...
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Shows construction workers posing on the drilling jumbo inside a diversion tunnel during the construction of Hoover Dam. Other men are standing on the floor of the tunnel looking up at the jumbo. Electric lights illuminate the tunnel.
1932-04-12
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Close-up of 8 cubic yard capacity bucket used in placing concrete in dam forms. It is suspended by hoisting machinery. This photo is a postcard.
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Shows men scaling the walls of Black Canyon to set dynamite blasts. Below and in the background buildings on the cofferdam are visible.
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Aerial view of Hoover Dam taken from the Arizona side. The Arizona spillway, intake towers, and reservoir (Lake Mead) are visible. Shows two buildings at the upper left of the photo. Mountains and road in the area are shown.
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View of the construction of Hoover Dam showing the upstream face, the power houses, and some of the portals to the diversion tunnels. Part of the Colorado River is visible.
1935-10-28
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Night view of the downstream face of Hoover Dam. Electric lighting illuminates the face of the dam, the intake towers, and some transmission towers.
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Shows the downstream face of Hoover Dam, the power houses, and the Colorado River waters below the powerhouses. Transmission towers are visible on the cliffs above.
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Close-up of construction on the lower face of Hoover Dam. Scaffolding is visible on the dam face and concrete pouring forms are seen on the top of the dam face.
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Concrete pouring forms are being put in place as part of the construction of the Arizona power house. Construction materials and workers are visible.
1934-12-19
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View of Hoover Dam during construction. The power houses are visible; concrete work is progressing on them. The intake towers are peeking above the dam's upstream face. Cables span the canyon and there is a tiny construction hut perched on...
1935-09-22
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Aerial view of Hoover Dam showing Lake Mead and the surrounding mountains. Fortification Hill is at the upper right.
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View of the upstream face of Hoover Dam during the latter stages of construction. The partially-constructed power houses are visible. Concrete pouring forms, cables, and the tops of the intake towers can be seen.
1935-04-24
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Close-up view of the power houses at Hoover Dam. Water is trickling from the outlet works and a portion of the upstream face of the dam is visible. The valve house on the Arizona side is shown.
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Shows Lake Mead (the reservoir) on the downstream side of the dam. The lake is almost filled. The spillway and intake towers are visible. Cars are parked along the road leading to the dam.
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