Black and white image of a crowd of people gathered together for the Boulder Junction, a ceremony celebrating the beginning of work on Boulder Canyon Project and the beginning of construction on a Union Pacific Railroad from Boulder Junction (Bracken Junction) to the dam site. Note: Boulder Dam was officially renamed Hoover Dam in 1947.
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 showing an interior view of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch. Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch. Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch. Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch. Standing in the center is Henry Wieking, "setting window and door casements preparatory to rebuilding adobe walls." Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image of the gravel testing laboratory at the site of the former Stewart Ranch, also known as the Las Vegas Ranch. Two of the people in the image are G. G. Walter and Henry Wieking. Site Name: Las Vegas Ranch (Las Vegas, Nev.)
Black and white image with the following printed description: Airplane motor propelled boat used in photographic survey of Colorado River between dam and Jumbo Wash.
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.