Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Speedy tunneling maintained on 6-mile Carlton mine drainage bore
Building of 32,000-ft long tunnel to drain gold bearing orebodies in vicinity of Cripple Creek, Colo; cross section of tunnel is 10 ft wide and 11 ft high; removal of blasted rock.
Speedy tunneling maintained on 6-mile Carlton mine drainage bore
Building of 32,000-ft long tunnel to drain gold bearing orebodies in vicinity of Cripple Creek, Colo; cross section of tunnel is 10 ft wide and 11 ft high; removal of blasted rock.
Speedy tunneling maintained on 6-mile Carlton mine drainage bore
Construction Methods
1940
2 pages
Aufsatz (Zeitschrift)
Englisch
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| Engineering Index Backfile | 1940
| Engineering Index Backfile | 1941
Carlton drainage tunnel, cripple creek, Colorado
| Engineering Index Backfile | 1940
British Library Online Contents | 2004
Online Contents | 2014