| Additional Authors: | Machisak, John C., Jones, Nina L., Rice, Dora D., Reid, Elizabeth J., Wrenn, Virgina E. |
|---|---|
| Year: | 1960 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7987 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7987 |
| Subject: | Coal mine accidents--United States |
| Link: | https://hdl.handle.net/2027/mdp.39015078460725 |