Photographer's notes: "Downstream view at dusk of the bridge and Black Canyon from an employee parking lot on the Nevada side." 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: "For part of the year, the late afternoon sun now casts the bridge's shadow onto the face of Hoover Dam." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Afternoon shadow of the evolving bridge against the Arizona canyon wall." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "With the bridge unlit at night, except along the pedestrian walkway, evening illumination comes from the dam and the Nevada hairpin turn of the original highway." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A solitary worker climbs the arch's stairwells on the Nevada side, September 10, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "A concrete pour in process for a section of the arch construction, view from Nevada parking lot near Visitors' Center, June 29, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge