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 |