Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Utah Copper company's new 6040 railroad tunnel
Note on driving of tunnel 4650 ft long to provide outlet for sublevel ore in Utah Copper mine at Bingham Canyon, Utah; concrete lining was placed for 3784 ft; remaining 866 ft lined with timber, as it will be dug out as mining operations progress.
Utah Copper company's new 6040 railroad tunnel
Note on driving of tunnel 4650 ft long to provide outlet for sublevel ore in Utah Copper mine at Bingham Canyon, Utah; concrete lining was placed for 3784 ft; remaining 866 ft lined with timber, as it will be dug out as mining operations progress.
Utah Copper company's new 6040 railroad tunnel
Min Congress J
Earl, G.C. (Autor:in)
1945
2 pages
Aufsatz (Zeitschrift)
Englisch
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