| Author: | Harrington, D. |
|---|---|
| Additional Authors: | Davenport, Sara J. |
| Year: | 1941 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7182 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7182 |
| Subjects: | Mine dusts |
| Mine ventilation | |
| Mine safety | |
| Mine gases--Physiological effect | |
| Air--Purification | |
| Link: | https://hdl.handle.net/2027/mdp.39015078535740 |