Impact of changing technology on the demand for metallurgical coal and coke produced in the United States to 1985
| Author: | Mutschler, Paul H. |
|---|---|
| Year: | 1975 |
| Document Type: | USBI |
| Issuing Agency: | Bureau of Mines, |
| SUDOC: | I 28.27:8677 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8677 |
| Link: | https://hdl.handle.net/2027/mdp.39015078457499 |