Results

226 - 250 of 2134 Items    << < 5 6 7 8 9 10 11 12 13 14 > >> 
Thumbnail
Title
Description
Dates
This view is of concrete placement on the west side during the spring of 1936. During the curing period the concrete was covered with moist sand or bathed in a fine mist of water spray.

2020-10-30
Erection of the downstream skin plates on drum gate No. 1.
1940-12-07
2020-10-30
Progress photo of the East Powerhouse. Exterior walls of the generator room and service bay are under construction.
1942-08-07
2020-10-30
Steel towers rising above fog in the 230-kv. left switchyard. The tower at the right is the first in one of the transmission lines to Bonneville.
1941-11-18
2020-10-30
This view of the downstream face of the frozen earth dam shows how it closed the mouth of the deep crevice in the east side bedrock, and blocked further movement of the clay slope which persisted in flowing into the construction area.
2020-10-30
Assembling the structural steel in the end section of a drum gate.
1940-12-05
2020-10-30
Spectacular waterfall at Coulee Dam surpasses Niagara in height. During the 1940 flood stage, the Columbia River was diverted through the outlet works and over a portion of the unfinished spillway section.
1940-06-02
2020-10-30
Part of shuttle conveyor system for filling cells in west cofferdam
1935-03-18
2020-10-30
Personal papers of a miscellaneous nature, photos, and a collection of 35 building trade catalogs and manuals from the 1920s, 30s, and 40s. Includes yearly listings of books Thorsell read (1938-1962); family clippings; a few papers relating to...

Reinforcing in base of east training wall.
1936-05-26
2020-10-30
DEPA See Defense Electric Power Administration The Dalles Dam, 54 The Dalles, Oregon, 16 photo, 60 Defense Electric Power Administration, 58 Defense Production Act of 1950, 58 Detroit Dam (photo), 56 Dexter Dam, 56 Diefenbaker, John, 66...

The east abutment, showing rock prepared for concrete, and several blocks which have been poured along the upstream side of the dam.
1937-03-26
2020-10-30
Typical forms in dam. Reinforcing steel in longitudinal gallery walls.
1936-05-01
2020-10-30
Train of two Athey 10-yard buggies and Caterpillar tractor feeding a tributary conveyor feeder.
1935-03-21
2020-10-30
The crest of the Grand Coulee Dam spillway has become a thing of beauty. Recent removal of the false work, used to erect the 11 bridges across the 1650-foot middle section of the structure, exposed for the first time in the completed arches...
1941-11-18
2020-10-30
The contractor's main aggregate conveyor. Its capacity is rated at 2,750 tons per hour, and it is about 5,000 feet in length.
1938-09-21
2020-10-30
Third Volume, Thirty Second issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam;.
2020-10-30
2020-10-30
Lifting the 245-ton Shasta stator and thrust bearing bracket from the erection base between Grand Coulee units L-2 and L-3, in the left powerhouse, to their seat above the turbine in pit No. 7.
1942-10-28
2020-10-30
Gerarld Wilson, USBR painter, repainting west vista-house model, used to explain construction procedure to visitors.
1942-04-22
2020-10-30
On the axis of the dam, looking west. Center foreground shows top of Eastmix and elevation 1024 concrete placing trestle extending toward river to join west end across the river. At extreme left is beginning of upstream cross-river cofferdam....
2020-10-30
2020-10-30
Winter scene. Blocks at west end of dam covered with snow and ice.
1937-01-28
2020-10-30
Wood trestle used in driving west cofferdam. Lower right corner is contractor's catwalk across Columbia River
1935-01-30
2020-10-30
Third Volume, Forty Fourth issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam.
2020-10-30
2020-10-30
This is the X-Ray machine used to examine the welds of the steel penstock liners after they were fabricated in the shop of the Western Pipe and Steel Co. at Electric City, Washington, a few miles west of the dam site in the canyon of the Grand...
2020-10-30
Third Volume, first issue, of the Mason-Walsh-Atkinson-Kier CO. builders of Coulee Dam Safety Newsletter. Created by the Safety Department and issued to the residents of Mason City and contract workers at Grand Coulee Dam.

2020-10-30
226 - 250 of 2134 Items    << < 5 6 7 8 9 10 11 12 13 14 > >> 

© Western Waters Digital Library - GWLA member projects - Designed by the J. Willard Marriott Library - Hosted by Oregon State University Libraries and Press