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Displaying 1-2 of 2 results for author "Evans, Robert J."
Surface testing and evaluation of the hopper-feeder-bolter / by Robert J. Evans, William D. Mayercheck, and Joseph L. Saliunas.
- Text
- Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988.
- 1988
Coal extraction, transport, and logistics technology for underground mining / by Robert J. Evans and William D. Mayercheck.
- Text
- Pittsburgh, Pa. : U.S. Dept. of the Interior, Bureau of Mines, 1988.
- 1988
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