Hoover Dam
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The Hoover Dam is a concrete arch-gravity dam in the Black Canyon of the Colorado River, on the boundary between the U.S. states of Nevada and Arizona. Constructed between 1931 and 1936, during the Gr
River view of the future dam site, c. 1904
Sketch of the proposed dam site and reservoir, c. 1921
Workers on a "Jumbo Rig"; used for drilling the Hoover Dam's tunnels
The Mike O'Callaghan–Pat Tillman Memorial Bridge is an arch bridge that spans the Colorado River between the U.S. states of Arizona and Nevada. The bridge is located within the Lake Mead National Recr
The bridge in front of the Hoover Dam
The Mike O'Callaghan–Pat Tillman Memorial Bridge in front of the Hoover Dam
The completed bridge viewed from the Nevada side in December 2010
View from Hoover Dam