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Displaying results 814491 - 814500 of 830616

View taken from adit, showing Number 1 pour in downstream Number 2 diversion tunnel plug. Cribbing for use as temporary pipe supports: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Nevada intake tower roofs. Note concrete shingle arrangement: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

View of switchyard, showing control house, foundations, and general excavation: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream toward Nevada spillway drainage flume, and general area: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking downstream toward Arizona spillway. Note general road work, curbs in place, and guard rails being installed: photographic print, 1935 September 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

From Arizona spillway Gate House, looking upstream. Note float well supply line finished and construction on upstream abutment wall: photographic print, 1935 September 26

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream in Nevada valve house. Note installation of needle valves and gates: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking upstream, on roof of Nevada valve house. Steel rails in place, ready for pouring concrete slab: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component

Looking into Arizona spillway raise. Jumbo is being used for grouting, back of concrete lining: photographic print, 1935 September 27

Level of Description

Item

Archival Collection

Six Companies, Inc. Hoover Dam Photograph Collection

Archival Component