Search Results
Photograph of outlet valves, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white image from the downstream side of Hoover (Boulder) Dam canyon wall outlet valves being flooded.
Image
Photograph of outlet valves, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white image from the downstream side of Hoover (Boulder) Dam canyon wall outlet valves being flooded.
Image
Photograph of outlet valves, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white image from the downstream side of Hoover (Boulder) Dam canyon wall outlet valves being flooded.
Image
Photograph of outlet valves, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white night image from the downstream side of Hoover (Boulder) Dam canyon wall outlet valves being flooded.
Image
Photograph of valve outlets, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white image of water flowing from the twelve valve outlets from Hoover (Boulder) Dam. Each valve is 16 feet in diameter.
Image
Photograph of valve outlets, Hoover Dam, circa late 1930s
Date
1935 to 1939
Archival Collection
Description
Black and white image of water flowing from the twelve valve outlets from Hoover (Boulder) Dam. Each valve is 16 feet in diameter.
Image
Photograph of construction on Hoover Dam cofferdam, June 27, 1933
Date
1933-06-27
Archival Collection
Description
An image of a debris-filled canyon during Hoover (Boulder) Dam construction.
Image
Photograph of Hoover Dam construction site, circa 1930-1935
Date
1930 to 1935
Archival Collection
Description
An aerial view of the Black Canyon floor at the Hoover (Boulder) Dam construction site.
Image
Photograph of Hoover Dam construction site, circa mid 1930s
Date
1933 to 1935
Archival Collection
Description
An image showing a downstream aerial view of the Hoover (Boulder) Dam construction site.
Image
Photograph of Hoover Dam construction site, circa mid 1930s
Date
1933 to 1935
Archival Collection
Description
An image showing a downstream aerial view of the Hoover (Boulder) Dam construction site.
Image