| Author: | Fitzgerald, Lloyd G.. |
|---|---|
| Year: | 1944 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7278 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7278. |
| Subjects: | Explosives--Safety measures |
| Explosives | |
| Coal mines and mining--Explosives | |
| Link: | https://hdl.handle.net/2027/mdp.39015074127005 |