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Washington State University Libraries
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Washington State Guard. Members, employees of the Bureau and the contractor, were given basic military training according to army standards, by experienced veteran officers.
1942-07-30
2024-11-24 |
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A deep-sea diver from Bremerton helped guide bulkhead gates into the trashrack structures to shut water out of the outlet tubes and permit repair of upstream ringseal gates. Here he is seen emerging from drive.
1942-10-05
2024-11-24 |
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Jackhammer work, preparing for repairs of a spall area on the face of the spillway.
1942-10-26
2024-11-24 |
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For the purpose of reducing the spreading of spray from the spillway over transformers and other equipment, the left training wall was built up from El. 1034 to El. 1068.18 at the powerhouse, and was increased one foot in height at its highest point.
1942-12-22
2024-11-24 |
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Barge crane handling a temporary steel gate for an 8 1/2 foot outlet tube.
1942-10-01
2024-11-24 |
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Outlet-gate service equipment used to place and remove overhead beams and hoist, for servicing outlet valves. Built by CBI, bought by Bureau.
1942-07-21
2024-11-24 |
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Painters, refinishing drum gate No. 4 with aluminum paint.
1942-03-30
2024-11-24 |
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Part of the mechanism used in raising and lowering the drum gates, motor-driven worm gears on the stem of a butterfly valve which admits water from the reservoir to the chamber under a gate.
2024-11-24
2024-11-24 |
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This balanced needle valve controls the pressure under a drum gate and consequently the position of the gate, by controlling the rate of discharge of water from the chamber under the gate.
2024-11-24
2024-11-24 |
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Spillway just prior to formation of waterfalls. About 200,000 second-feet were passing through the upper forty outlet tunnels, while the in-flow was about 260,000 second-feet when the drum gates first took over control of the spillway flow.
1942-06-01
2024-11-24 |
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Waterfalls in the process of formation. The flow of surplus water was shifted from the outlet tunnels to the drum gates in the presence of visitors estimated at 15,000, during a coast-wide broadcast.
1942-06-01
2024-11-24 |
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View southeast over the spillway just after the formation of the waterfall. Thirty-four of the forty upper outlet tubes, discharging 200,000 sec.-ft. were closed successively while the eleven drum gates were lowered completely, to maintain a...
1942-06-01
2024-11-24 |
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Third Volume, Twentieth 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.
2024-11-24
2024-11-24 |
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Third Volume, Twenty Third 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.
2024-11-24
2024-11-24 |
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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.
2024-11-24
2024-11-24 |
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Third Volume, Twenty Sixth 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.
2024-11-24
2024-11-24 |
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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.
2024-11-24
2024-11-24 |
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Third Volume, Twenty 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.
2024-11-24
2024-11-24 |
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Third Volume, Thirtieth 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.
2024-11-24
2024-11-24 |
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Third Volume, Twenty Ninth 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.
2024-11-24
2024-11-24 |
