| Author: | Greenwald, H. P. |
|---|---|
| Additional Authors: | Hartmann, Irving., Howarth, H. C. |
| Year: | 1940 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:3529 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 3529 |
| Subjects: | Coal mines and mining--Dust control |
| Mine explosions | |
| Link: | https://hdl.handle.net/2027/mdp.39015078492074 |