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San Gabriel Dam outlet tunnel enlarged for valve chamber
Method of construction of valve chamber for control works in outlet tunnel of San Gabriel Dam No 1 by progressively cutting away lining and outer rock; anchor rings for tunnel plug cut at same time.
San Gabriel Dam outlet tunnel enlarged for valve chamber
Method of construction of valve chamber for control works in outlet tunnel of San Gabriel Dam No 1 by progressively cutting away lining and outer rock; anchor rings for tunnel plug cut at same time.
San Gabriel Dam outlet tunnel enlarged for valve chamber
Eng News-Rec
Baumann, P. (author)
Engineering News-Record ; 123
1939
Article (Journal)
English
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