| Author: | Crentz, W. L. |
|---|---|
| Additional Authors: | Fraser, Thomas, |
| Year: | 1947 |
| Document Type: | USBM |
| Issuing Agency: | U.S. G.P.O., Bureau of Mines, |
| SUDOC: | I 28.7:701 |
| Series: | Technical paper / Bureau of Mines ; |
| Report Number: | 701 |
| Subjects: | Coal--Analysis |
| Coal--Maryland | |
| Links: | https://hdl.handle.net/2027/mdp.39015078486167 |
| https://hdl.handle.net/2027/mdp.39015086471003 |