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Construction of four welded steel 22-ft penstocks at Parker Dam on Colorado River about 50 mi downstream from Needles, Calif; plates planed and curved at Chicago, shipped to site, and assembled in 20-ft ring section which were welded together in position, in tunnels.
Construction of four welded steel 22-ft penstocks at Parker Dam on Colorado River about 50 mi downstream from Needles, Calif; plates planed and curved at Chicago, shipped to site, and assembled in 20-ft ring section which were welded together in position, in tunnels.
Tunnel penstock installation
Western Construction News
Revelle, J.E. (author)
1941
3 pages
Article (Journal)
English
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