A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Hetch-hetchy coast range tunnels inspected by engineers
Hetch-Hetchy Aqueduct coast range tunnel; map and profile showing progress; excavation in treacherous formation; tunnel deflected south of coal zone; progress of work.
Hetch-hetchy coast range tunnels inspected by engineers
Hetch-Hetchy Aqueduct coast range tunnel; map and profile showing progress; excavation in treacherous formation; tunnel deflected south of coal zone; progress of work.
Hetch-hetchy coast range tunnels inspected by engineers
Water Works Eng
O'Shaughnessy, M.M. (author)
1932
2 pages
Article (Journal)
English
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