Search for all of "Colorado River", all of "Diversion Tunnels"

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51 Object thumbnail
Aerial view of Hoover Dam and surrounding area 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...
52 Object thumbnail
Aerial view of Hoover Dam and surrounding area Aerial view of Hoover Dam showing the upstream face, the power houses, one of the portals to a diversion tunnel, and the intake towers. Lake Mead (the reservoir) is filling and a portion of the Colorado River is also...
53 Object thumbnail
Hoover Dam construction Panoramic view of Black Canyon and Hoover Dam under construction. Two of the portals to the diversion tunnels are visible. The face of the dam is nearing completion and the concrete pouring forms can be seen. Part...
54 Object thumbnail
Aerial view -- Hoover Dam construction Aerial view of Hoover Dam, Black Canyon, and the Colordo River during the construction of the dam. Two portals of the diversion tunnels are visible. There are trucks and buildings on the cofferdam. The face of the...
55 Object thumbnail
Hoover Dam -- retouched photo Panoramic view of Hoover Dam and area including Fortifiction Hill in background. The photo was taken looking towards the downstream face and shows the power houses, some of the portals to the diversion tunnels, the Colorado River, and Lake...
56 Object thumbnail
Hoover Dam -- retouched photo View of Hoover Dam and surrounding area with Fortification Hill in the background. This is a postcard with the following printed on the front: "This is an actual photo of the retouched photograph from which engraving for the...
57 Object thumbnail
Aerial view of Hoover Dam Aerial view of the completed Hoover Dam and the surrounding area showing the Colorado River below the dam and Lake Mead (the reservoir) above the dam. Water is flowing from the outlet works, and some of the portals to...
58 Object thumbnail
Diversion tunnel no. 1 trashrack and counterweight assembly just prior to the diverting of the... Construction workers are seen climbing on the outside of the no. 1 trash rack at diversion tunnel no. 1. Other workers view the scene from a railroad trestle that runs over the diversion tunnel portal, and from the upper cofferdam...
 

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