| Author: | Hutchison, G. F. |
|---|---|
| Additional Authors: | Barab, Jacob. |
| Year: | 1919 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.7:210 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 210 |
| Subjects: | Coal mines and mining--Explosives--Experiments |
| Explosives--Detection--Experiments | |
| Link: | https://hdl.handle.net/2027/mdp.39015077560145 |