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Displaying results 848161 - 848170 of 865514

Blast on Arizona intake tower excavation, which has filled canyon with smoke and dust. Upper steel suspension bridge shown in background: photographic print, 1932 August 16

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Close-up of upper portal of diversion tunnels Number 3 and 4, during preparations for blast: photographic print, 1932 November 13

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Close-up of upper portals of diversion tunnels Number 3 and 4, showing flow in diversion tunnel Number 4, shortly after blast: photographic print, 1932 November 13

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Dumping materials at temporary pile bridge to complete diversion of Colorado River: photographic print, 1932 November 13

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Upper portals of diversion tunnels Number 3 and 4 and temporary dyke, after diversion of Colorado River was completed: photographic print, 1932 November 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Panoramic view of upper cofferdam, looking downstream: photographic print, 1932 November 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Panoramic view of upper cofferdam, looking downstream: photographic print, 1932 November 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component