| Author: | Engel, A. L. |
|---|---|
| Additional Authors: | Heinen, H. J. |
| Year: | 1950 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4670 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4670 |
| Subjects: | Flotation |
| Cyanide process | |
| Ore-dressing | |
| Copper ores--Montana | |
| Gold ores--Montana | |
| Link: | https://hdl.handle.net/2027/mdp.39015078503623 |