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Displaying results 830371 - 830380 of 831014

Hoover Dam (Boulder Dam) construction diagram, reproduction: photographic print and negative, 1940 January 04

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Approach to Hoover Dam (Boulder Dam): photographic negative, 1936

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Aerial view of upstream face of the dam, looking towards the Arizona side: photographic negative, 1936 August 09

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Aerial view of upstream face of the dam, looking towards the Nevada side: photographic negative, 1936 August 09

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Aerial view of dam, looking towards the Arizona side: photographic negative, 1936 August 09

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Aerial view of dam, almost directly above Arizona spillway, looking towards Nevada side: photographic negative, 1936 August 09

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Spillway tunnel on Arizona side, Hoover Dam (Boulder Dam): photographic negative, 1936 June 29

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Downstream face of Hoover Dam (Boulder Dam), taken from Nevada side: photographic negative, 1936 June 29

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Downstream face of Hoover Dam (Boulder Dam), taken from Nevada side: photographic negative, 1936 June 29

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component

Downstream face of Hoover Dam (Boulder Dam), taken from Nevada side: photographic negative, 1936 June 29

Level of Description

Item

Archival Collection

United States National Park Service Photograph Collection

Archival Component