Author: | Gray, Jerry J. |
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Additional Authors: | Petersen, Norman S., Kingston, Gary A. |
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--Transportation |
Mineral industries--Northwest, Pacific | |
Mineral industries--Statistics | |
Link: | https://hdl.handle.net/2027/mdp.39015078464446 |