Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Removal of twin peaks of massive rock midstream at south entrance of Seymour Narrows formed by screen of islands lying off west coast of British Columbia; sinking 570-ft shaft, construction of 2400-ft tunnel under East Channel and 300 ft raise into ripple rocks for installation of explosive charge.
Removal of twin peaks of massive rock midstream at south entrance of Seymour Narrows formed by screen of islands lying off west coast of British Columbia; sinking 570-ft shaft, construction of 2400-ft tunnel under East Channel and 300 ft raise into ripple rocks for installation of explosive charge.
Removal of ripple rocks
Western Miner Oil Rev
Mason, E.E. (Autor:in)
1958
7 pages
Aufsatz (Zeitschrift)
Englisch
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