| Author: | Adams, William W. |
|---|---|
| Year: | 1926 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines : |
| SUDOC: | C 22.5:406 |
| Series: | Technical paper / United States Department of Commerce, Bureau of Mines ; |
| Report Number: | 406 |
| Subjects: | Explosives |
| Coal mine accidents | |
| Links: | https://hdl.handle.net/2027/mdp.39015078543496 |
| https://hdl.handle.net/2027/mdp.39015086470872 |