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
Photographer's notes: "View from river toward underside of bridge deck on Arizona side, June 30, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Rebar framework was lowered into position to form the substructure of the next arch section." 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: "Arch construction and Nevada bridge deck from viewpoint south of bridge on Arizona side of canyon, July 1, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "Cross canyon view to the Nevada bridge deck from the top of the Arizona pylons. Note: This was the only evening I was allowed on top of the temporary pylons to shoot." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge