Author: | Harrington, D. |
---|---|
Year: | 1923 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:2551 |
Series: | Report of investigations / United States. Bureau of Mines ; |
Report Number: | 2551 |
Subjects: | Mine ventilation |
Mine ventilation--Equipment and supplies | |
Air flow | |
Mine ventilation--Equipment and supplies--Testing | |
Link: | https://hdl.handle.net/2027/mdp.39015086546259 |