| Author: | Johnson, A. C. |
|---|---|
| Year: | 1959 |
| Document Type: | N/A |
| SUDOC: | I 28.27:7907 |
| Series: | Information circular (United States. Bureau of Mines) |
| Report Number: | I. C. 7907 |
| Subjects: | Mining engineering. |
| Mineral industries -- Nevada. | |
| Tungsten mines and mining -- Nevada. | |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc170708/ |