| Additional Authors: | Fieldner, Arno Carl, |
|---|---|
| Year: | 1937 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.7:572 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 572. |
| Subjects: | Coal--Testing |
| Carbonization | |
| Coal--Kentucky--Johnson County | |
| Link: | https://hdl.handle.net/2027/mdp.39015077315375 |