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Boulder dam -- Tailbay and tunnel portals altered
Illustrated description of alterations of tailbay and tunnel portals; work consists of excavating loose fill from river and canyon walls and altering outlet appurtenances of dam for purpose of improving hydraulic characteristics of flow through spillway tunnels; data on road relocation, operation schedule, tunnel construction and concrete pouring.
Boulder dam -- Tailbay and tunnel portals altered
Illustrated description of alterations of tailbay and tunnel portals; work consists of excavating loose fill from river and canyon walls and altering outlet appurtenances of dam for purpose of improving hydraulic characteristics of flow through spillway tunnels; data on road relocation, operation schedule, tunnel construction and concrete pouring.
Boulder dam -- Tailbay and tunnel portals altered
Western Construction News
Uehling, V.B. (author)
1946
5 pages
Article (Journal)
English
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