| Author: | Sokaski, Michael. |
|---|---|
| Additional Authors: | Geer, M. R., Sands, P. F. |
| Year: | 1963 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.23:6311 |
| Series: | Report of investigations / U.S. Bureau of Mines ; |
| Report Number: | 6311 |
| Subject: | Coal preparation |
| Link: | https://hdl.handle.net/2027/mdp.39015077556457 |