Nameplate for the 2010 Mike O'Callaghan-Pat Tillman Memorial

Utah State Magazine, Fall 2016 by USU Libraries - Issuu

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Part of the complex of buildings, dam components, and electrical towers at Hoover Dam, which straddles the Arizona and Nevada borders on the Colorado River

Boulder dam franklin roosevelt hi-res stock photography and images - Alamy

Construction of Mike O'Callaghan - Pat Tillman Memorial Bridge, Nevada Greeting Card for Sale by Ross Campbell

Commemorative plaque, Mike O'Callaghan and Pat Tillman Memorial Bridge, Hoover Dam by-pass, Lake Mead National Recreation Area, Arizona, Nevada, USA, - SuperStock

Rock anchors stabilize the hillsides on each side of the 2010 Mike O'Callaghan-Pat Tillman Memorial Bridge past the massive Hoover Dam - PICRYL - Public Domain Media Search Engine Public Domain Image

The 150-ton cableway crane at massive Hoover Dam, which straddles the border between Arizona and Nevada in the Black Canyon of the Colorado River

Hoover Dam (le barrage)

Colorado river hoover dam historical hi-res stock photography and images - Alamy