A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Hetch Hetchy Coast range tunnel
San Francisco Public Utilities Commissions call for bids for completion of tunnel driving and lining on coast range division of Hetch Hetchy Aqueduct involving 20,400 lin ft of excavation and 109-700 lin ft of concrete lining.
Hetch Hetchy Coast range tunnel
San Francisco Public Utilities Commissions call for bids for completion of tunnel driving and lining on coast range division of Hetch Hetchy Aqueduct involving 20,400 lin ft of excavation and 109-700 lin ft of concrete lining.
Hetch Hetchy Coast range tunnel
West Construction News Highways Bldr
1932
3 pages
Article (Journal)
English
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