| Author: | Fraas, Foster. |
|---|---|
| Year: | 1972 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of Interior, Bureau of Mines, |
| SUDOC: | I 28.23:7661 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7661 |
| Subjects: | Ore-dressing |
| Magnetic separation of ores | |
| Magnetic fields | |
| Links: | https://hdl.handle.net/2027/mdp.39015078520155 |
| no.7661-7680 |