| Author: | Darling, S. M. |
|---|---|
| Year: | 1919 |
| Document Type: | USBM |
| Issuing Agency: | U.S.Bureau of Mines, |
| SUDOC: | I 28.7:178 |
| Series: | Technical paper / Department of the Interior, Bureau of Mines ; |
| Report Number: | 178 |
| Subjects: | Lignite industry--By-products |
| Lignite--Economic aspects | |
| Lignite--Analysis | |
| Link: | https://hdl.handle.net/2027/mdp.39015077565698 |