| Author: | Richardson A. C. | 
|---|---|
| Additional Authors: | Coe, G. D., Anthony, H. L. | 
| Year: | 1932 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, | 
| SUDOC: | I 28.23:3170 | 
| Series: | Report of investigations / United States Department of Commerce, Bureau of Mines ; | 
| Report Number: | 3170 | 
| Subjects: | Coal washing | 
| Coal--Alabama | |
| Link: | https://hdl.handle.net/2027/mdp.39015077562711 |