Photographer's notes: "Aerial view of the structurally complete bridge, Hoover Dam and Lake Mead, July 27, 2010. The highline crane has been disassembled and removed." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Aerial view of the structurally complete bridge, Hoover Dam and Lake Mead, July 27, 2010. The highline crane has been disassembled and removed." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Aerial view of the structurally complete bridge, Hoover Dam and Lake Mead, July 27, 2010. The highline crane has been disassembled and removed." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A view down the Colorado River from the top of the dam's powerhouse, July 27, 2010." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Ironworkers climbed up the Nevada side arch segment each morning to start work." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Ironworkers on Arch, April 30, 2009 - Ironworkers climbed up the Nevada side arch segment each morning to start work." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Ironworkers arrive to work in manbasket, Arizona side of bridge arch construction, Hoover Dam Bypass Project, April 30, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Detail of highline crane system used as the main way to deliver materials for construction of the bridge, April 30, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge