| Author: | Fraser, Thomas, |
|---|---|
| Additional Authors: | Yancey, Harry Fagan, |
| Year: | 1925 |
| Document Type: | USBM |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines : |
| SUDOC: | I 28.7:361 |
| Series: | Technical paper / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 361 |
| Subject: | Coal--Illinois |
| Link: | https://hdl.handle.net/2027/mdp.39015078542704 |