| Additional Authors: | Liammari, J. J., Markon, George, Gentile, C. R., Drechsler, George D. |
|---|---|
| Year: | 1957 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7778 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7778 |
| Subject: | Coal--Europe |
| Link: | https://hdl.handle.net/2027/mdp.39015078460014 |