Search for all of "equipment", all of "Construction Workers", all of "Hoover Dam ariz And Nev -- Design And Construction"

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101. Bridge across Boulder Canyon at Hoover Dam site.	102. View of power houses being constructed at the Hoover Dam site	103. Cleanup site at lower portal of Hoover Dam
104. Diversion of the Colorado River into diversion tunnel no. 1 as the gate on diversion...	105. Looking across the downstream face of Hoover Dam, showing the utility towers and elevator shaft	106. Construction workers in diversion tunnel, Hoover Dam site
107. Construction of Hoover Dam diversion tunnel