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U.S. Dept. of the Interior
Depression-Hungry jJob Seekers Flocked to the Project
U.S. Dept. of the Interior
Thousands came looking for work,when it was announced that Hoover Dam construction was to begin.
High Scalers Drilling into Canyon
U.S. Dept. of the Interior
Early Construction in Black Canyon
U.S. Dept. of the Interior
Jumbo Rig Allowed for Multiple Drillers to Work Together
U.S. Dept. of the Interior
Tunnel Entrance
U.S. Dept. of the Interior
Concrete Lining for Tunnel
U.S. Dept. of the Interior
River Bed Excavation
U.S. Dept. of the Interior
Powerhouse Construction
U.S. Dept. of the Interior
Letting Things Settle
U.S. Dept. of the Interior
Upstream Face
U.S. Dept. of the Interior
Finished
U.S. Dept. of the Interior
Hoover Dam Today
U.S. Dept. of the Interior
Hoover Dam at Night
U.S. Dept. of the Interior
Jet Flow Gate Testing
U.S. Dept. of the Interior
Aerial View of the Dam
