| Author: | Parry, V. F. |
|---|---|
| Year: | 1943 |
| Document Type: | N/A |
| SUDOC: | I 28.23:3680 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | R. I. 3680 |
| Subjects: | Coal -- West (U.S.) |
| Energy minerals -- West (U.S.) | |
| Energy development -- West (U.S.) | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38450/ |