Additional Authors: | Roepke, Wallace W., Wingquist, Carl F., Olson, Richard C., Hanson, Bruce D. |
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Year: | 1983 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:8951 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 8951 |
Subjects: | Coal mines and mining--Research--United States |
Coal-cutting machinery--Testing | |
Link: | https://hdl.handle.net/2027/mdp.39015078455386 |