| Author: | Yancey, Harry Fagan, |
|---|---|
| Additional Authors: | Selvig, Walter Alfred,, Johnson, Kenneth Alexander, |
| Year: | 1932 |
| Document Type: | USBM |
| Issuing Agency: | U.S.Bureau of Mines, |
| SUDOC: | C 22.5:512 |
| Series: | Technical paper / United States. Bureau of Mines ; |
| Report Number: | 512. |
| Subjects: | Coal--Analysis |
| Coal--Washington (State) | |
| Link: | https://hdl.handle.net/2027/mdp.39015077559147 |