| Author: | Gates, George O. |
|---|---|
| Year: | 1946 |
| Document Type: | N/A |
| SUDOC: | I 28.7:682 |
| Series: | Technical paper (United States. Bureau of Mines) |
| Report Number: | Technical Paper 682 |
| Subjects: | Coal -- Analysis. |
| Coal -- Alaska. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc66466/ |