| Author: | Rice, George Samuel, |
|---|---|
| Year: | 1929 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | C 22.5:448 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 448 |
| Subjects: | Coal mines and mining--Safety measures |
| Mine explosions | |
| Link: | https://hdl.handle.net/2027/mdp.39015077315995 |