| Year: | 1928 |
|---|---|
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | C 22.5:405 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 405 |
| Subjects: | Coal mines and mining--West Virginia |
| Coal--Analysis | |
| Coal--West Virginia--Analysis | |
| Link: | https://hdl.handle.net/2027/mdp.39015086470864 |