| Author: | Robertson, Almon F. |
|---|---|
| Year: | 1950 |
| Document Type: | N/A |
| SUDOC: | I 28.27:7544 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 7544 |
| Subject: | Mines and mineral resources -- Montana -- Fergus County. |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc67047/ |