| Author: | Gray, Jerry J. |
|---|---|
| Additional Authors: | Kingston, Gary A., Petersen, Norman S. |
| Year: | 1968 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:8381 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 8381 |
| Subjects: | Mineral industries--Northwest, Pacific |
| Mineral industries--Transportation | |
| Mineral industries--Statistics | |
| Link: | https://hdl.handle.net/2027/mdp.39015078464446 |