From the KLVX Steamboats on the Colorado Photograph Collection (PH-00156). "COPY _____ Reproduction from the Original in the Arizona Historical Society" stamp on verso.
Photographer's notes: "This telephoto view of the Nevada side arch construction reveals the complexity of the process, June 29, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Photographer's notes: "An abstracted view of the twin-rib arch with a steel strut, shrouded by concrete panels, connecting them." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge