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Title |
Description |
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1 |
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Penstock tunnel, Hoover Dam |
Aerial view of the Hoover Dam construction site on the Colorado River in Black Canyon. Cables are suspended across the canyon and a dirt road runs along the canyon floor. Early construction on a penstock tunnel can be... |
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2 |
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Low mix concrete plant |
Aerial view of the Colorado River running through Black Canyon. The buildings and structures forming the low mix concrete plant are seen on the right side. |
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3 |
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Hoover Dam from the downstream side with bridge and buildings |
View of the Hoover Dam construction site within Black Canyon from the downstream side of the Colorado River. The dam wall is nearly complete and the mouths of the diversion tunnels can be seen. Building plants and construction equipment are... |
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4 |
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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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5 |
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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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6 |
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Hoover Dam from the downstream side |
Shows the face of the dam with water streaming from the outlet works on the Arizona side. What appears to be a gondola car is being lowered onto the power house tracks, Also shows the power house on the Nevada... |
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7 |
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Hoover Dam -- valve outlet on the Arizona side |
View from the top of Hoover Dam showing water streaming from the outlet works in the valve house on the Arizona side. Also shows the Colorado River, the valve house on the Nevada side, and the tops of the Arizona... |
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8 |
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Hoover Dam -- valve outlet in operation on the Arizona side |
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... |
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9 |
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Hoover dam -- water flowing from valve outlets |
Shows water flowing from the outlet works of both the Nevada and Arizona valve houses. Also shows the roofs of the power houses on both sides of the river, the Colorado River, and a road along the river. |
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10 |
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Hoover Dam -- looking downstream showing the valve outlets |
Water pours from the outlet works on the Nevada valve house. Also shows the Nevada valve house, the tops of the power houses on the Nevada and Arizona sides, the Colorado River, and a road by the side of the... |
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11 |
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Looking up Black Canyon from the dam site |
Upstream view of Black Canyon and the Colorado River from the Hoover Dam construction site. A temporary dirt road is seen on the left side of the canyon floor, along with some scaffolding. Stray lumber is floating by... |
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12 |
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Aerial view of sundown in Black Canyon at the Hoover Dam construction site |
View of the Colorado River flowing through Black Canyon at dusk. Bridges and catwalks illuminated by electric lights span the canyon over the river. Other electric illumination is seen throughout the construction site. |
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13 |
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Sundown in Black Canyon at the Hoover Dam construction site |
Night view of the Colorado River flowing through the Hoover Dam construction site in Black Canyon. Catwalks are seen suspended over the river. The site is illuminated by electric light. |
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14 |
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Hoover Dam site from the Nigger Head, Diversion tunnel construction |
Aerial view of the Colorado River flowing through Black Canyon during early construction at the Hoover Dam site. A dirt road runs alongside the river and catwalks are suspended over the river. |
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15 |
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Looking up Black Canyon 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... |
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16 |
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Looking up Black Canyon during the construction of the diversion tunnels |
View of the Colorado River running through Black Canyon at the Hoover Dam construction site. Workers can be seen walking over bridges and catwalks that are suspended over the river, and on dirt roads that run alongside the river. ... |