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Displaying results 542541 - 542550 of 830457

Construction phase of the Boulder Canyon Project; first round of drilling to enlarge the upper portal of diversion tunnel No. 2; the welded steel "Jumbo Rig" mounted on the truck has 25 air drills on it; the swing shift crew standing next to the rig prepare for work, 1931 November 18

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Construction phase of the Boulder Canyon Project; excavation for the Hoover Dam construction substation by the Nevada-California Power Company, 1931 March 27

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Ray Lyman Wilbur, Secretary of the Interior, at a ceremony which inaugurated construction on the Boulder City branch of the Los Angeles and Salt Lake Railroad, signaling the beginning of the Boulder Canyon Project. Includes Senator Key Pittman of Nevada; Governor Fred Balzar of Nevada; Carl Gray, President of Union Pacific Railroad system; Secretary Wilbur holding the Nevada silver spike; and Senator Tasker L. Oddie of Nevada, 1932 February 13

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Gravel testing laboratory at the Stewart Ranch, also known as the Las Vegas Ranch, after completed repairs to the building, 1929 September

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Completed gravel testing laboratory at the site of the former Stewart Ranch, 1929 September

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Gravel testing laboratory at the site of the former Stewart Ranch; O. G. Patch stands in the foreground, 1929 September 20

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Interior view of the gravel testing laboratory at the site of the former Stewart Ranch, 1929 September 20

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Gravel testing laboratory at the Stewart Ranch, 1929 September 20

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Gravel testing laboratory at the Stewart Ranch, 1929 September 20

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component

Gravel testing laboratory at the Stewart Ranch Standing in the center is Henry Wieking, 1929 September 20

Level of Description

File

Archival Collection

Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
To request this item in person:
Collection Number: PH-00071
Collection Name: Bureau of Reclamation Photographs of the Hoover Dam and Boulder City, Nevada
Box/Folder: Folder 02 (Restrictions apply)

Archival Component