| Author: | Rohrbacher, Timothy J. |
|---|---|
| Additional Authors: | Teeters, Dale D., Sullivan, Gerald L. |
| Year: | 1994 |
| Document Type: | N/A |
| SUDOC: | I 28.23:9379 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | IC 9379 |
| Subject: | Coal reserves |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc1983336/ |