Search Results
Photograph of cofferdam construction, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
Starting to build the cofferdam. Bridge used to dump load after load of rock into the river.
Image
Photograph of Welding shop, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
Overhead view of welding/blacksmith shop at end of diversion tunnel on downstream side. Pictured are sharpened drill bits made of tie bolts.
Image
Photograph of canyon scalers, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
High scalers on canyon walls. "Hi-scalers going up. Skip hauling high scalers up to their work station - W. A. Davis."
Image
Photograph of tunnel at Hoover Dam site, circa 1932
Date
1931 to 1933
Archival Collection
Description
View of a few workers starting pilot tunnel, work was completed before diversion tunnel.
Image
Photograph of tunnel at Hoover Dam site, circa 1932
Date
1931 to 1933
Archival Collection
Description
View of a few workers starting to create the pilot tunnel; work was completed before diversion tunnel. Note on back: "Starting the portal, 10 ft. bore, not more than 20 ft. deep in this photo - W. A. Davis, 1992."
Image
Photograph of canyon wall, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
View of canyon wall and beginning of diversion tunnel. Note on back: "Not taken by W. A. Davis. Photo probably taken by Frank, Six Co's. photographer; photo shows Nevada side. - W. A. Davis, 1992."
Image
Photograph of diversion tunnel, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
View looking out of diversion tunnel, diameter 56' or more, inside finish 50'. Note on back: "Tunel is on Nevada side. Tunnels had compressed air lines and electricity installed Marion electric steam shovel. - W. A. Davis, 1992."
Image
Photograph of diversion tunnel, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
View building the diversion tunnel. "Jumbo in place - trimming hole." W.A. Davis, 1992
Image
Photograph of diversion tunnel, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
Constructing of diversion tunnels, upstream end. Setting up frames for trash racks. Note on back: "Upstream end of the diversion tunnel on Nevada side, probably No. 1 tunnel. - W. A. Davis, 1992."
Image
Photograph of diversion tunnel, Hoover Dam, circa 1932
Date
1931 to 1933
Archival Collection
Description
Diversion tunnel, partially finished with concrete liner. Tunnel pictured is over 1 mile long.
Image