Black and white image of the construction phase of the Boulder Dam Project, also known as Hoover Dam. This image features the mixing of the oil finish for Hemenway Wash Road.
Black and white aerial view looking upstream at Hoover Dam and Lake Mead and showing the white water of the Colorado River gushing out of the spillway tunnel outlets.
Interior of Six Companies, Inc. machine shop, showing equipment to handle heavy machine work used for the dam construction. Site Name: Hoover Dam (dam)