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Displaying results 810181 - 810190 of 869055

Mining operation, possibly in Nevada or Arizona, approximately 1900-1930

Level of Description

File

Archival Collection

Charles P. Squires Photograph Collection

Archival Component

Men near mining equipment, possibly in Nevada or Arizona, approximately 1900-1930

Level of Description

File

Archival Collection

Charles P. Squires Photograph Collection

Archival Component

Men near mining equipment, possibly in Nevada or Arizona, approximately 1900-1930

Level of Description

File

Archival Collection

Charles P. Squires Photograph Collection

Archival Component

A-9 unit transformer at the Hoover Dam: photographic print, 1951 August 16

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Workmen in Hoover Powerplant: photographic print, approximately 1951

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Butterfly valve at the Hoover Dam: photographic print, 1952 October 22

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Butterfly valve at the Hoover Dam: photographic print, 1952 February 26

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Unit A-4 generator at the Hoover Dam: photographic print, approximately 1952

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Men working on Generator Unit A-4 at the Hoover Dam: photographic print, 1952 October 15

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component

Rotor, Generator Unit A-4 at the Hoover Dam: photographic print, 1952 October 15

Level of Description

Item

Archival Collection

Morgan Sweeney Photograph Collection

Archival Component