| Author: | Janus, John B. |
|---|---|
| Year: | 1977 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines : |
| Series: | Report of investigations - Bureau of Mines ; |
| Report Number: | 8213 |
| Subject: | Coal--Analysis |
| Link: | https://hdl.handle.net/2027/mdp.39015078475954 |