Photographer's notes: "View up to the Nevada side from the Arizona side of the river downstream from the powerhouse, April 14, 2010." 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: "View up to the Nevada side bridge deck and arch foundation from the river boat launch, September 8, 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: "Road bed shoulder stabilization and rail guards, Nevada side of Hoover Dam Bypass, April 29, 2009." Site Name: Mike O'Callaghan-Pat Tillman Memorial Bridge
Las Vegas Trading Company was located on the east corner of Main and Lewis streets within Clark's Las Vegas Townsite. Site Name: Las Vegas Trading Company (Las Vegas, Nev.)
Black and white image of people standing in front of building construction on the Las Vegas Army Airfield, currently known as Nellis Air Force Base. Site Name: Nellis Air Force Base (Nev.)
A color image of the neon sign for the Town House Motor Lodge, located on West 2nd Street in Reno, lit up at night. Site Name: Town House Motor Lodge (Reno, Nev.)
A color image of the neon sign for the Buffalo Bar, located on B Street in Sparks, lit up at night. The sign features a neon cocktail glass and a partial buffalo. Site Name: Buffalo Bar (Sparks, Nev.)
Black and white aerial view of Black Canyon at Hoover Dam construction site. There are four visible bridges going over the Colorado River. Note: Boulder Dam was officially renamed Hoover Dam in 1947.