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Cascading Columbia River flood waters pour through the spillway diversion channels in waterfalls higher than Niagara.
1940-05-27
2024-11-24 |
Peak flow of the annual flood stage of the Columbia River is discharged over the dam in special diversion channels.
1940-05-29
2024-11-24 |
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
2024-11-24 |
The annual flood stage of the Columbia River pours through the spillway diversion area of Grand Coulee Dam. A peak flow of 265,600 second feet was reached in 1940.
1940-06-03
2024-11-24 |
Table of Contents and selected material from volume eight of the Columbia Basin History Project for the Grand Coulee Dam
2024-11-24
2024-11-24 |
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.
2024-11-24 |
Third Volume, 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.
2024-11-24 |
Third Volume, Third issue, of the Mason-Walsh-Atkinson-Kier Columbian. 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. Originally...
2024-11-24
2024-11-24 |
Third Volume, 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 |
Third Volume, 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 |
Third Volume, 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 |
Third Volume, 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 |
"What I did Would Have Cost Buillions"
2024-11-24 |
Third Volume, Tenth 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 |
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.
2024-11-24
2024-11-24 |
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.
2024-11-24
2024-11-24 |
Third Volume, Thirteenth 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 |
Third Volume, Fourteenth 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 |
Third Volume, Fifteenth 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 |
Third Volume, Sixteenth 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 |
Table of Contents and selected material from volume nine of the Columbia Basin History Project for the Grand Coulee Dam
2024-11-24
2024-11-24 |
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.
2024-11-24
2024-11-24 |