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Displaying results 844251 - 844260 of 859442

Downstream face of Boulder Dam, showing foundation for central wing of the powerhouse: photographic print, 1934 January 24

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Upstream face of Boulder Dam: photographic print, 1934 January 24

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Forms for transition at the downstream plug of diversion tunnel Number 2: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Nevada spillway weir section: photographic print, 1934 January 24

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Nevada spillway, looking upstream: photographic print, 1934 January 24

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Forms in the upstream plug of diversion tunnel Number 2: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Forms in the upstream plug of diversion tunnel Number 3: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Placing concrete lining in Arizona upper penstock tunnel: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Placing concrete lining in Arizona upper penstock tunnel: photographic print, 1934 January 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Two-hundred ton two-way trailer, for transporting sections of 30-foot penstock pipe: photographic print, 1933 December 15

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component