| Year: | 1960 |
|---|---|
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| SUDOC: | I 28.3:585 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 585 |
| Subjects: | Mineral industries -- United States -- Periodicals. |
| Mines and mineral resources -- United States -- Periodicals. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc38790/ |