Black and white image of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch, after completed repairs to the building. Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image with the following printed description: View of Lake Mead, boat docks and bathing beach, showing development by National Park Service of area for bathing and picnicking.
Black and white image of "Big Bertha" with the following printed description: Six Companies, Inc. motor transport hauling workmen between Boulder City and the dam. This double decked truck hauls 154 men.
Black and white image of "Big Bertha," the Six Companies, Inc. motor transport used to haul workmen between Boulder City and Hoover Dam. This double-decker truck could haul 154 men. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
Black and white image of fire fighters with the following printed description: "Government fire fighting equipment, Boulder City. The driver of the truck is Robert Hewes in charge of fire detail."
Black and white image of a caravan of over 500 automobiles on their way to visit the Boulder Canyon Project in Boulder City. The passengers were possibly headed to view the diversion of the Colorado River. Note: Boulder Dam was officially renamed Hoover Dam in 1947.