Photographer's notes: "The scale and mass of the arch was most evident from its base on the Nevada side." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Walkway to the arch from near the Nevada side hairpin, September 10, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from Nevada side bridge deck toward Arizona side of canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View down from Nevada bridge deck to a pair of pier foundations with river below, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from Nevada side bridge deck toward Arizona side of canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from Nevada side bridge deck toward Arizona side of canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "View from Nevada side bridge deck toward Arizona side of canyon, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "The evening shift of ironworkers heads to work on the Nevada side of the arch, October 20, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge