| Author: | Sayers, R. R. |
|---|---|
| Year: | 1922 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:2391 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 2391 |
| Subjects: | Mine ventilation |
| Mine safety | |
| Sewage disposal | |
| Drinking water--Contamination | |
| Mine sanitation | |
| Link: | https://hdl.handle.net/2027/mdp.39015086555185 |