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86-inch paradox emergency gates for tunnel plug outlet works Boulder Dam. Boulder Canyon Project -- Arizona -- California -- Nevada
Invitation for bids, schedule, specifications, and drawings for 12 gates.
86-inch paradox emergency gates for tunnel plug outlet works Boulder Dam. Boulder Canyon Project -- Arizona -- California -- Nevada
Invitation for bids, schedule, specifications, and drawings for 12 gates.
86-inch paradox emergency gates for tunnel plug outlet works Boulder Dam. Boulder Canyon Project -- Arizona -- California -- Nevada
U S Bur Reclamation -- Specifications
18 pages
20 Supp sheets
Article (Journal)
English
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Portland cement. Boulder canyon project, Arizona-California-Nevada
Engineering Index Backfile | 1934
Structural steel for Boulder power plant. Boulder Canyon Project, Arizona-California-Nevada
Engineering Index Backfile | 1934
Engineering Index Backfile | 1934
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