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Notice that sections of the cross-river cofferdams are left out to permit the river to flow in its usual channel while the anchor or key cribs are sunk in their proper positions. On Dec. 09, 1936 the last cribs were in position and within 30 hours...
1936-12-09
2020-10-28
Third Volume, Forty Eighth 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.
2020-10-28
2020-10-28
Third Volume, Twenty Seventh 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.
2020-10-28
2020-10-28
Rockwork in Coulee Dam park, built by C.C.C. enrollees.
1937-11-09
2020-10-28
Aerial images of Glen Canyon Dam, Lake Powell, and the Grand Canyon

2007-01-02
2007-01-02
Aerial images of Glen Canyon Dam, Lake Powell, and the Grand Canyon

2007-01-02
2007-01-02
Looking downstream on blocks in west end of dam.
1936-03-31
2020-10-28
Third Volume, Twenty Fifth 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.
2020-10-28
2020-10-28
Photographs and publications of the Puget Sound Bridge and Dredging Company and its successor, the Lockheed Shipbuilding and Construction Company, documenting shipbuilding and construction projects in the Pacific Northwest, including...

A dam across the Columbia River at Grand Coulee appears to have been first advocated by a Coulee City, Wn. newspaper in 1892, but the idea did not gain popular support until this proposal was published in the Wenatchee World on July 18, 1918. Here...
2020-10-28
Looking west, block 31 in near foreground - high and low trestles, conveyor bridge and Westmix, cantilever and whirley cranes. Part of Smith Valley gorge in foreground.
1936-06-08
2020-10-28
East abutment, July 1937, showing low and high trestles, 24-ft. diameter penstock blackouts below elevation 1024 trestle.
2020-10-28
2020-10-28
Looking west from Smith gorge - blocks are from No. 31 to abutment. high and low trestles, and Westmix.
1936-06-26
2020-10-28
Excavation activities, including conveyors, in south-east section of area enclosed by the west cofferdam.
1935-03-20
2020-10-28
Construction Activity proceeds on a 24-hour per day basis at Grand Coulee Dam.
1938-12-28
2020-10-28
Rustic rock footbridge in Coulee Dam park, built by C.C.C. enrollees.
1937-09-20
2020-10-28
Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Floor and Roof Plans
1934-08-06
2020-10-28
Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Exterior Elevations
1934-08-06
2020-10-28
The two placing trestles, and upstream section dam between west abutment and west cofferdam.
1936-07-23
2020-10-28
Downstream clean-up prior to flooding. East power house on left; spillway with spillway bucket between the two training walls. High trestle in upper left. Pipe in foreground is for cement transportation from silos on west side.
1937-11-15
2020-10-28
Looking west across the dam. Block 31 in foreground, high and low placing trestles distance. Suspension bridge for aggregate in upper right corner.
1936-06-26
2020-10-28
Thirty-six inch cooling shaft in center of a block being prepared for a pour.
1936-05-30
2020-10-28
From the study of this 1-60 working model of the dam, and a scaled section of the river channel, came much valuable information regarding the action of the water in the spillway bucket, and the washing of material in the river bed directly...
2020-10-28
A Grand Coulee Dam night view, showing area west of cofferdam in foreground, suspension bridge for Westmix aggregate, highway bridge, Mason City across the river, and Brett gravel pit in upper right.
1936-09-29
2020-10-28
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.
1940-06-07
2020-10-28
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