| Author: | DeVaney, F. D. |
|---|---|
| Additional Authors: | Coghill, W. H. |
| Year: | 1930 |
| Document Type: | BMRA |
| Issuing Agency: | United States Bureau of Mines, |
| SUDOC: | C 22.12:3052 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 3052 |
| Subjects: | Tailings (Metallurgy) |
| Iron mines and mining--Minnesota | |
| Ore-dressing | |
| Link: | https://hdl.handle.net/2027/mdp.39015077566977 |