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Bureau of Mines coal cutting technology facilities at the Twin Cities Research Center

Published Year

• 1980-1989 (1)

Subject

• Coal mines and mining--Research--United States (1)
• Coal-cutting machinery--Testing (1) *

Author

• Hanson, Bruce D. (1)
• Olson, Richard C. (1)
• Roepke, Wallace W. (1)
• Wingquist, Carl F. (1) *

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