Coal Reserves of the Matewan
Quadrangle, Kentucky -A Coal Recoverability StudyU.S. Geological Survey Circular 9355
Table B-3.-Deep mine production rates by mining method
| Mining method | Production (tons/shift) per seam thickness | |||
| 24-42in | 42-72in | 72-96in | >96 in | |
| Continuous miner. | 394 | 516 | 654 | 839 |
| Longwall mining | NA | 1,609 | 2,451 | 3,575 |
NA Not applicable.
Created by the EERT WWW Staff.
U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/usbmic/ic-9355/tableb3.htm
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Last modified: 16:41:22 Mon 31 Mar 2003
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