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View of the pilot tunnel: photographic print, approximately 1931 to 1932
Archival Collection
Archival Component
Wood tunnel done by Lewis Construction Company in canyon wall toward dam site: photographic print, 1931
Archival Collection
Archival Component
Truck hauling debris out of diversion tunnel: photographic print, approximately 1931 to 1932
Archival Collection
Archival Component
Diversion tunnel after a flood: photographic print, approximately 1931 to 1933
Archival Collection
Archival Component
Close up diversion tunnel after a flood: photographic print, approximately 1931 to 1933
Archival Collection
Archival Component
Men pumping water out of diversion tunnel after a flood: photographic print, approximately 1931 to 1933
Archival Collection
Archival Component
Bulldozing after a flood: photographic print, approximately 1931 to 1933
Archival Collection
Archival Component
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