Photographer's notes: "A solitary worker departs the construction site to the Nevada side of the canyon." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Transmission towers move power lines from the powerhouse of Hoover Dam up out of Black Canyon, Arizona side near the dam, May 21, 2009."
Photographer's notes: "Aerial view looking down the canyon with the Nevada hairpin turn of the old highway in the foreground." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Arch construction as seen from cliff over looking the Nevada hairpin turn, June 29, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge