Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Elton tunnel -- National tunnel and mines completes difficult project
Notes on construction of tunnel at Tooele, Utah; objectives include drainage of mines, transportation of ore, men and supplies, conduct of water for irrigation, and aid in prospecting; features of gravel section, contact, and rock section; monthly progress; sources of trouble; performance and cost data; total length 24,040 ft.
Elton tunnel -- National tunnel and mines completes difficult project
Notes on construction of tunnel at Tooele, Utah; objectives include drainage of mines, transportation of ore, men and supplies, conduct of water for irrigation, and aid in prospecting; features of gravel section, contact, and rock section; monthly progress; sources of trouble; performance and cost data; total length 24,040 ft.
Elton tunnel -- National tunnel and mines completes difficult project
Min Contracting Rev
1941
Aufsatz (Zeitschrift)
Englisch
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