| Author: | Richardson A. C. |
|---|---|
| Additional Authors: | Gandrud, B. W. |
| Year: | 1933 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.12:3206 |
| Series: | Report of investigations / United States Department of Commerce, Bureau of Mines ; |
| Report Number: | 3206 |
| Subject: | Coal washing |
| Link: | https://hdl.handle.net/2027/mdp.39015077563008 |