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Preliminary analysis of methodologies for mining thin-seam mountaintop coal resources
New techniques for mining thin-seam mountaintop coal reserves
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Published Year
1990-1999 (2) *
Subject
Coal mines and mining (1)
Coal mines and mining--Appalachian Region (1)
Coal-mining machinery--Models (1)
Author
Jaspal, Jasinder S. (2) *
DuCarme, Joseph P. (1)
Farrar, Richard B. (1)
Kwitowski, August J. (1)
Mayercheck, William D. (1)
