An image of a crowd of prospective Hoover Dam workers standing outside of the Federal-State Employment Office in Las Vegas. Transcribed from text across the bottom of the image: "Prospective workers for Hoover Dam - Las Vegas, Nev. -Oakes." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of Hoover Dam with the following printed description: "View of Memorial Day crowds waiting to visit the powerplant. Note persons holding tickets ready for guide to collect. Roof of cashier's booth may be seen beyond awning." Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image with the following printed description: "Boat dock on Nevada side of Colorado River operated by permittees." Sign at dock is for Murl Emery Boats and advertises "Eleven years on the Colorado River" with tours to Boulder Dam and Boulder Canyon. Note: Hoover Dam was officially renamed Hoover Dam in 1947.
Note with image: "This is where the Nevada sub-station is. Compressor was carried in pieces by the mules and reassembled... It took all day just to walk here and back, I mean all day." " Notes on back of image: "Building power substation above Boulder Dam, Air compressor in foreground, c. 1932. Cleaning surface prior to building sub-station. Dual generator with eight tires was pushed up to this location with bulldozers. - W. A. Davis, 1992."