| Author: | Harrington, D. |
|---|---|
| Additional Authors: | Warncke, R. G. |
| Year: | 1945 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7307 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 7307 |
| Subjects: | Mines and mineral resources--United States--Safety measures |
| Mine safety--United States | |
| Explosives | |
| Link: | https://hdl.handle.net/2027/mdp.39015074127260 |