| Year: | 1978 |
|---|---|
| Document Type: | N/A |
| Issuing Agency: | United States. Bureau of Mines. |
| SUDOC: | I 28.27:8784 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | I. C. 8784 |
| Subjects: | Mines and mineral resources -- United States. |
| Minerals -- Collection and preservation -- United States. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc170848/ |