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Displaying results 6971 - 6980 of 7893

Interior of one of many drill sharpening stations, showing forge and Ingersoll-Rand drill sharpener: photographic print, 1932 February 15

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Caterpillar 60 with bull-dozer in front and cow-dozer aft, used extensively for moving muck: photographic print, 1932 March 08

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

White truck dumping near site of Nevada spillway cut and extending road the for muck disposal: photographic print, 1932 March 16

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Gantry crane used in pouring concrete in invert section of upper diversion tunnel Number 3: photographic print, 1932 March 18

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Nevada spillway open cut excavation, as seen from Arizona side of river: photographic print, 1932 March 28

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Same blast as photograph number 1063, taken from river-level looking downstream: photographic print, 1932 March 28

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Low level concrete mixing plant. View taken from cliffs on Arizona side of river: photographic print, 1932 March 28

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

With the approach of annual spring rise in the river, the temporary truck bridge shown on right has been abandoned: photographic print, 1932 April 12

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Detail photograph, showing method of construction and operation of side-wall jumbo for placing lining in diversion tunnels: photographic print, 1932 June 29

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component

Forms were constructed in 11-foot sections and transported to Arizona side by overhead cableways: photographic print, 1932 June 18

To request this item in person:
Collection Number: PH-00267
Collection Name: Six Companies, Inc. Hoover Dam Photograph Collection
Box/Folder: Oversized Box 03

Archival Component