Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Description of project which is third drainage bore driven in Cripple Creek Area since 1891; main tunnel to extend 6 mi through granite; drilling bits; drilling methods and jumbo equipment; "cherry picker" muck car shifter; haulage; ventilation; progress record; costs.
Description of project which is third drainage bore driven in Cripple Creek Area since 1891; main tunnel to extend 6 mi through granite; drilling bits; drilling methods and jumbo equipment; "cherry picker" muck car shifter; haulage; ventilation; progress record; costs.
Carlton drainage tunnel
Min Congress J
Bebee, A.H. (Autor:in)
1941
4 pages
Aufsatz (Zeitschrift)
Englisch
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| Engineering Index Backfile | 1940
Carlton drainage tunnel, cripple creek, Colorado
| Engineering Index Backfile | 1940
Speedy tunneling maintained on 6-mile Carlton mine drainage bore
Engineering Index Backfile | 1940
British Library Online Contents | 2004
Online Contents | 2014