| Author: | Barkley, J. F. |
|---|---|
| Year: | 1928 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | C 22.5:436 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 436 |
| Subjects: | Coal |
| Sulfur | |
| Links: | https://hdl.handle.net/2027/mdp.39015077316001 |
| https://hdl.handle.net/2027/uiug.30112070429797 |