An image of unidentified men standing in the lookout well during the Boulder Dam decennial event. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white photographic image of the view from the top of Hoover (Boulder) Dam. Automobiles can be seen parked along the curb and driving on the street. "On top of Boulder Dam" is written on the front of the postcard.
The Six Companies, Inc. Hoover Dam Photograph Collection (1931-1935), consists of approximately 400 black-and-white photographic prints contained in two photograph albums and an additional twenty-one loose black-and-white photographic prints with ten corresponding photographic negatives.