Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Brier hill concrete lined shaft, Vulcan, Mich
Abstract of a paper read before the L. Superior Min. Inst. Illustrates and describes the lining of a circular shaft 850 ft. deep and 14 ft. in diameter. (1500 w.) (No. 13794)
Brier hill concrete lined shaft, Vulcan, Mich
Abstract of a paper read before the L. Superior Min. Inst. Illustrates and describes the lining of a circular shaft 850 ft. deep and 14 ft. in diameter. (1500 w.) (No. 13794)
Brier hill concrete lined shaft, Vulcan, Mich
Eng Min Jour
Kelly, William (Autor:in)
1910
Aufsatz (Zeitschrift)
Englisch
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