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Displaying results 140271 - 140280 of 830420

Slide of a penstock pipe, Hoover Dam, circa early 1930s

Date

1931 to 1935

Archival Collection

Description

Black and white image of two men standing in front of penstock tunnel piping at the site of Hoover Dam construction. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam construction, circa mid 1930s

Date

1933 to 1934

Archival Collection

Description

Black and white image of Hoover Dam construction, including work on the dam forms and intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's downstream face, circa early 1930s

Date

1933 to 1935

Archival Collection

Description

Black and white image of Hoover Dam's construction as viewed from its downstream side. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of the downstream face of Hoover Dam, circa early 1930s

Date

1931 to 1934

Archival Collection

Description

Black and white image showing Hoover Dam's downstream face during the concrete pouring process. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of construction on Hoover Dam, circa early 1930s

Date

1932 to 1935

Archival Collection

Description

Black and white image of equipment being lowered into Hoover Dam. People are watching from the lookout point on the Nevada side of the dam. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's downstream face, circa mid 1930s

Date

1934 to 1936

Archival Collection

Description

Black and white image of Hoover Dam's downstream side. Fortification Hill is visible in the background. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's downstream side, circa mid 1930s

Date

1935 to 1936

Archival Collection

Description

Black and white image of a man looking at Hoover Dam's downstream face and the outlet works in the walls of Black Canyon. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's upstream side, circa mid 1930s

Date

1935 to 1936

Archival Collection

Description

Black and white image of Hoover Dam's upstream face and intake towers. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's upstream side, circa late 1930s

Date

1936 to 1940

Archival Collection

Description

Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image

Slide of Hoover Dam's upstream side, circa late 1930s

Date

1936 to 1940

Archival Collection

Description

Black and white montage of a person sitting in a small boat near Hoover Dam's upstream side. The lake and canyon portion of the image look to be from a photograph, but the dam seems to be a drawing. Note: Boulder Dam was officially renamed Hoover Dam in 1947.

Image