Author: | Edwards, John C. |
---|---|
Year: | 1977 |
Document Type: | BMRA |
Issuing Agency: | Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:8227 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 8227 |
Subjects: | Mine ventilation |
Shock (Mechanics) | |
Air ducts | |
Link: | https://hdl.handle.net/2027/mdp.39015078482406 |