Western Airlines M2 biplane-first plane to fly Los Angeles-Salt Lake route, stopping in Las Vegas en route. Note Indian head on fuselage-first insignia of Western Airlines (originally called Western Air Express Corporation).
Description given with photograph: "A close-up view of the ancient metate, or grinding stone, located at the Southern end of the Pueblo Grande de Nevada. Fragments of pottery and stone grinders or pestles [sic] in view."
A Union Pacific Railroad train as a part of the construction for Hoover Dam. The front of the card reads: "First train in railroad pass, Boulder Dam Project, Oakes." Description given with postcard: "SP, LA & SL (UPRR) locomotive 6082 in Railroad Pass. Maybe spreading ballast on track."
Black and white image of a crowd of people gathered together for the Boulder Junction, a ceremony celebrating the beginning of work on Boulder Canyon Project and the beginning of construction on a Union Pacific Railroad from Boulder Junction (Bracken Junction) to the dam site. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
A black and white image of several unidentified men and women associated with the Rotary Club attending the Boulder Dam decennial (officially renamed Hoover Dam in 1947).
An image of Rotary Club members attending a lunch near Boulde Dam (officially renamed Hoover Dam in 1947). Three unidentified men stand beside each other eating food and wearing chef hats.
A black and white image of U.S. Marshal Claude Williams and his family in front of his office. The words "U.S. Marshal" are spelled out in white rocks in front of the building.
A black and white image of people standing by the Boulder Dam Pier sign, which is draped with rattlesnakes. Note: Boulder Dam was officially renamed Hoover Dam in 1947.