Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Driving 23 mi 10 ft 3 in. diam Harold D. Roberts tunnel, designed to supply water to city and county of Denver; tunnel is driven from four headings; drilling, blasting, and mechanization operations.
Driving 23 mi 10 ft 3 in. diam Harold D. Roberts tunnel, designed to supply water to city and county of Denver; tunnel is driven from four headings; drilling, blasting, and mechanization operations.
Roberts tunnel
Min Congress J
Adams, T.F. (Autor:in)
1959
4 pages
Aufsatz (Zeitschrift)
Englisch
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Geological aspects of construction of Harold D. Roberts tunnel
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Sinking large-diameter, concrete-lined access shaft -- Harold D. Roberts tunnel, Colorado
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Approximate Roberts orthogonality
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Evaluation of Roberts Pitts Plaza
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