| Additional Authors: | Williams, Lloyd. |
|---|---|
| Year: | 1954 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 5029 |
| Subject: | Coking coal |
| Link: | https://hdl.handle.net/2027/mdp.39015078478974 |