Search for all of "Transportation", all of "Hoover Dam ariz And Nev -- Design And Construction", all of "Spence Air Photos"

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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...
 

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