| Author: | Yancey, Harry Fagan, |
|---|---|
| Additional Authors: | Porter, C. B., |
| Year: | 1932 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | C 22.5:536 |
| Series: | Technical paper / United States. Bureau of Mines ; |
| Report Number: | 536 |
| Subject: | Coal washing |
| Link: | https://hdl.handle.net/2027/mdp.39015077565342 |