| Author: | Richardson A. C. |
|---|---|
| Additional Authors: | Gandrud, B. W., Musgrove, W. D. |
| Year: | 1934 |
| Document Type: | BMRA |
| Issuing Agency: | United States Bureau of Mines, |
| SUDOC: | I 28.23:3234 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 3234 |
| Subjects: | Coal washing |
| Coal--Alabama | |
| Link: | https://hdl.handle.net/2027/mdp.39015078491845 |