Search for all of "Tunnels", all of "Spence Air Photos"

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      Title Description
1 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...
2 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...
3 Object thumbnail
Aerial view of Hoover Dam, looking upstream on the Colorado River Aerial view of the Hoover Dam construction site in Black Canyon. Visible are the spillways, intake towers, dam face, diversion tunnels and construction on the power houses. Temporary buildings are seen in the cofferdam downstream of the dam face. The...
 

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