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51 - 75 of 2123 Items << < 1 2 3 4 5 6 7 8 9 10 > >>
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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.
2024-04-18
2024-04-18 |
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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.
2024-04-18
2024-04-18 |
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Aerial images of Glen Canyon Dam, Lake Powell, and the Grand Canyon
2007-01-02 2007-01-02 |
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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.
2024-04-18
2024-04-18 |
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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...
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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...
2024-04-18
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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
2024-04-18 |
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Looking west from Smith gorge - blocks are from No. 31 to abutment. high and low trestles, and Westmix.
1936-06-26
2024-04-18 |
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East abutment, July 1937, showing low and high trestles, 24-ft. diameter penstock blackouts below elevation 1024 trestle.
2024-04-18
2024-04-18 |
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Excavation activities, including conveyors, in south-east section of area enclosed by the west cofferdam.
1935-03-20
2024-04-18 |
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Construction Activity proceeds on a 24-hour per day basis at Grand Coulee Dam.
1938-12-28
2024-04-18 |
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Rustic rock footbridge in Coulee Dam park, built by C.C.C. enrollees.
1937-09-20
2024-04-18 |
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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
2024-04-18 |
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Department of the Interior: Bureau of Reclamation; Columbia Basin Project-Washington Grand Coulee Dam Government Camp - Grade School Exterior Elevations
1934-08-06
2024-04-18 |
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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
2024-04-18 |
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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
2024-04-18 |
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Thirty-six inch cooling shaft in center of a block being prepared for a pour.
1936-05-30
2024-04-18 |
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The two placing trestles, and upstream section dam between west abutment and west cofferdam.
1936-07-23
2024-04-18 |
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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...
2024-04-18
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Third Volume, Twelfth 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.
2024-04-18
2024-04-18 |
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Third Volume, Eleventh 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.
2024-04-18
2024-04-18 |
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Third Volume, Nineteenth 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.
2024-04-18
2024-04-18 |
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Take-off towers in bay LY-1 of the 17 bay, 230-kilovolt left switchyard formed one end of the fist transmission lines to join Grand Coulee and Bonneville dams. The circuit was temporarily strung to this bay because of a shortage of steel for...
1941-11-18
2024-04-18 |
