A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
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. (author)
1959
4 pages
Article (Journal)
English
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