Caption at bottom of image reads: "Trucking mamoth (sic) concrete buckets in the 50 ft. dia. tunnels, Boulder Dam." Boulder Dam was officially re-named Hoover Dam in 1947.
Caption at bottom of postcard reads: 150 man transport- Boulder Dam Bureau of Reclamation Photo." Boulder Dam was officially re-named Hoover Dam in 1947.
Caption at bottom right hand corner of image reads: "Upstream face of Boulder Dam showing intake towers and Arizona observation point." Boulder Dam was officially re-named Hoover Dam in 1947.
A black and white image of Fremont Street in Las Vegas. Pedestrians and parked automobiles are visible among various buildings, such as the Las Vegas Post Office.
A black and white image of Fremont Street in downtown Las Vegas. This photo was taken from a time capsule in the cornerstone of the Union Pacific Railroad station located in Las Vegas. The time capsule was placed there in 1940 and was later retrieved when the building was demolished around 1970.
Dr. Royce Martin's Hospital on North Second Street, which he acquired in 1920. The hospital had eight rooms on the second story, including the operating room.