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Truck vs. rail haulage in bituminous-coal strip mines
Multiple-shift mechanical mining in some bituminous coal mines.
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Published Year
1930-1939 (2)
Subject
Coal mines and mining (2) *
Mine haulage (1)
Trucking--Cost of operation (1)
Author
Jones, Frank A. (2) *
Toenges, Albert L. (2)
