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A comparison of borer, ripper, and conventional mining products in Illinois No. 6 seam coal
Undulatory conveyor tests and evaluation
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Published Year
1970-1979 (2)
Subject
Coal-handling (2) *
Coal--Illinois--Analysis (1)
Coal-handling machinery (1)
Conveying machinery (1)
Mining engineering--Illinois (1)
Author
Engelmann, William H. (1)
Fumanti, R. R. (1)
Kleysteuber, William K. (1)
Miscoe, Anthony J. (1)
Schmidt, Robert L. (1)
