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226 - 250 of 2123 Items << < 5 6 7 8 9 10 11 12 13 14 > >>
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General view of the right or training wall end of the left power house. As of this date, construction of the power house roof was in progress and had been completed at several bays.
1939-11-14
2024-11-21 |
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Typical block being prepared for a five-foot "lift" of concrete - note cooling pipes on top.
1936-05-26
2024-11-21 |
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Typical forms in dam. Reinforcing steel in longitudinal gallery walls.
1936-05-01
2024-11-21 |
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Train of two Athey 10-yard buggies and Caterpillar tractor feeding a tributary conveyor feeder.
1935-03-21
2024-11-21 |
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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...
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Part of shuttle conveyor system for filling cells in west cofferdam
1935-03-18
2024-11-21 |
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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
2024-11-21 |
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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...
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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
2024-11-21 |
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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.
2024-11-21
2024-11-21 |
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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.
2024-11-21 |
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Upstream side of dam, showing concrete tie to a steel cell in section D of west cofferdam
1936-11-01
2024-11-21 |
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Pile of re-sharpened drill steel in yard on east side.
1936-10-01
2024-11-21 |
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Eight "shoes" and one 8-foot iron and steel "doughnut" make up a thrust bearing for one of the big generating sets at the Grand Coulee powerhouse. Weeks of machine work and polishing are put into making the thrust runner, the face of which must be...
1941-05-31
2024-11-21 |
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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...
2024-11-21
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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
2024-11-21 |
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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
2024-11-21 |
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Here is shown a part of the payroll line on June 04, 1937 as they lined up back of the company Mess Hall. Nearly every "construction stiff" west of the Mississippi River at one time or another passed thru some payroll line of this project." Many...
1937-06-04
2024-11-21 |
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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;.
2024-11-21
2024-11-21 |
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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
2024-11-21 |
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A part of the Brett Gravel Pit as it appeared in April of 1940. Buggies, drawn by tractors are supplementing the lateral conveyors in moving material to the main belt which is seen here discharging into the raw stockpile. About 75% of the gravel...
1940-04-01
2024-11-21 |
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Gerarld Wilson, USBR painter, repainting west vista-house model, used to explain construction procedure to visitors.
1942-04-22
2024-11-21 |
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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....
2024-10-21
2024-11-21 |
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Wood trestle used in driving west cofferdam. Lower right corner is contractor's catwalk across Columbia River
1935-01-30
2024-11-21 |
