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Title |
Description |
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1 |
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Putting in the ceiling on the Nevada side of the no. 2 diversion tunnel |
Interior view of construction on the Nevada side of the no. 2 diversion tunnel. Scaffolding rigged with electric lights is standing on the middle of the tunnel floor. |
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2 |
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Sidewall concreting inside diversion tunnel no. 4 |
Construction inside of diversion tunnel no. 4. Steel beams rigged with electric lights frame the walls and ceiling of the tunnel. A construction truck and workers are seen on the tunnel floor. In the distance a gantry... |
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3 |
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Sidewall concreting in diversion tunnel no. 4 showing workers |
Construction inside diversion tunnel no. 4. Steel beams rigged with electric lights frame the tunnel walls and ceiling. A construction truck and workers are seen on the tunnel floor. Two workers are in the foreground. |
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4 |
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Penstock tunnel piping |
Two construction workers are seen standing in front of a piece of thirty foot diameter penstock tunnel piping, which is loaded on a wheeled platform. |
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5 |
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Concrete pouring forms on the Hoover Dam construction site seen from downstream |
Aerial view of multiple concrete pouring forms on Hoover Dam, seen from downstream on the Colorado River in Black Canyon. Cables, pulleys and catwalks are suspended over the river. Some construction equipment can been seen on the mountains. |
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6 |
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Concrete pouring forms and construction on the intake towers at Hoover Dam |
View of multiple concrete pouring forms and framework for the intake towers on Hoover Dam. Construction workers, equipment, roads and structures can be seen in Black Canyon, and the Colorado River can be seen in the distance. |
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7 |
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Union Pacific Streamline train at the dam site |
A Union Pacific Streamline train is seen at the dam site near the dam wall. Sections of temporary stairways are seen attached to the mountain side. Construction on one of the intake towers is also seen. |
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8 |
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Hoover Dam construction from the downstream side |
View of construction on Hoover Dam from downstream on the Colorado River. Scaffolding and concrete pouring forms are seen on the dam wall and in the riverbed. Temporary buildings are seen in the foreground. |
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9 |
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Hoover Dam construction from the downstream side |
View from downstream on the Colorado River of Hoover Dam construction. Scaffolding and construction equipment are seen on the dam wall, in the riverbed and on the mountains. Construction on one of the intake towers is visible. |
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10 |
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Concrete bucket on flat car |
View of concrete pouring bucket suspended over railroad flat car. |
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11 |
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High level concrete plant |
View of the buildings and structures forming the high level concrete plant at the Hoover Dam construction site. |
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12 |
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Start of construction of an intake tower |
View of the Hoover Dam construction site, showing partial completion of the dam wall and early work on one of the intake towers. Scaffolding is seen on the cliff face, and a bucket of concrete is suspended by a... |
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13 |
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Blasting and construction on Hoover Dam |
Blasting in Black Canyon for construction. Construction equiqment can be seen along side the Colorado River. |
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14 |
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Hoover Dam from the downstream side |
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... |
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15 |
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Hoover Dam -- upstream side |
Shows the upstream face of the dam, the intake towers, and construction equipment. There is a little water in the reservoir (Lake Mead). |
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16 |
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Hoover dam -- upstream side |
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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17 |
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Hoover Dam -- intake towers |
Shows intake towers on upstream side of dam. Towers are almost completed. Coffer dam is still in place. Construction workers and construction equipment including derrick cranes are visible. |
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18 |
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High scaling operations |
View of Black Canyon with construction equipment on the canyon floor and cables suspended over the canyon. High scalers can be seen on the rock face on the left side of the photo. |
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19 |
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Looking up Hoover Dam during construction of the diversion tunnels |
Looking upstream on the Colorado River flowing through Black Canyon at the Hoover Dam construction site. Bridges and catwalks are suspended over the river and the newly-dug mouths of the diversion tunnels are seen on both sides of the canyon.... |