| Author: | Sands, Paul. | 
|---|---|
| Additional Authors: | Geer, Max Richard,, Sokaski, Michael. | 
| Year: | 1968 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:7067 | 
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; | 
| Report Number: | 7067 | 
| Subjects: | Coal preparation | 
| Separators (Machines) | |
| Link: | https://hdl.handle.net/2027/mdp.39015078531178 |