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Displaying results 812401 - 812410 of 830457

Workers testing the valves for jet flow gates at the Hoover Dam construction site, approximately 1934-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Jet flow gates at the Hoover Dam construction site, approximately 1934-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Water vapor from above the Hoover Dam jet flow gates, approximately 1935-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Nearly completed Hoover Dam and surroundings, approximately 1935-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Hoover Dam with open jet flow gates, approximately 1935-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Lake Mead and Hoover Dam, approximately 1934-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Hoover Dam with open jet flow gates, approximately 1935-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Hoover Dam with open jet flow gates, approximately 1935-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Hoover Dam water outlets, approximately 1934-1936

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component

Hoover Dam with open jet flow gates, approximately 1934-1935

Level of Description

File

Archival Collection

L. F. Manis Photograph Collection

Archival Component