Methods and costs of constructing the underground facility of North American Air Defense Command at Cheyenne Mountain, El Paso County, Colo.

Author: Howes, Merwin H.
Year: 1966
Document Type: USBI
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.27:8294
Series: Information circular / Bureau of Mines ;
Report Number: 8294
Subjects: Mine safety
Underground construction
Mining engineering--Safety measures
Link: https://hdl.handle.net/2027/mdp.39015077578097

< New search