Search the Special Collections and Archives Portal
Search Results
Workers and equipment inside the Hoover Dam diversion tunnel, approximately 1932-1933
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Workers and equipment clearing the debris at the rock opening of the Hoover Dam diversion tunnel, approximately 1931-1933
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Workers placing holes for pins to hold the wood base cylinder at the rock opening of the diversion tunnel, 1932 January 28
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Construction on the frame for the Hoover Dam diversion tunnel, 1932 February 05
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Workers posing on top of the frame at the beginning of the Hoover Dam diversion tunnel, 1932 April 12
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Wood base for the cylinder of the Hoover Dam diversion tunnel, 1932
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Wood base for the cylinder of the Hoover Dam diversion tunnel, 1934 January 31
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Wood base for the cylinder of the Hoover Dam diversion tunnel, 1932 January 30
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Rock opening and penstocks for Hoover Dam diversion tunnel construction, 1933 May 10
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Construction on the upper portals Hoover Dam diversion tunnel no. 1, approximately 1932-1933
Level of Description
File
Archival Collection
L. F. Manis Photograph Collection
Archival Component
Refine my results
Content Type
Creator or Contributor
Subject
Archival Collection
Digital Project
Resource Type
Year
Material Type
Place
Language
Records Classification