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| Coal-Producing State and Region | Continuous1 | Conventional2 | Longwall3 | Other4 | Total | |
|---|---|---|---|---|---|---|
| Alabama | w | - | w | - | 343 | |
| Colorado | 31 | - | 334 | 23 | 388 | |
| Illinois | 320 | - | 360 | - | 681 | |
| Indiana | w | - | - | - | w | |
| Kentucky Total | 749 | 9 | 36 | - | 794 | |
| Eastern | 521 | 9 | 3 | - | 533 | |
| Western | 228 | - | 32 | - | 261 | |
| Maryland | w | - | w | - | 66 | |
| Ohio | 24 | - | 125 | - | 149 | |
| Oklahoma | w | - | - | - | w | |
| Pennsylvania Total | 73 | 1 | 315 | * | 388 | |
| Anthracite | 1 | 1 | - | * | 2 | |
| Bituminous | 71 | - | 315 | - | 386 | |
| Tennessee | 28 | - | - | - | 28 | |
| Utah | 87 | - | 342 | - | 429 | |
| Virginia | 145 | - | 62 | 19 | 225 | |
| West Virginia Total | 708 | 5 | 485 | 11 | 1,209 | |
| Northern | 179 | - | 377 | - | 556 | |
| Southern | 529 | 5 | 107 | 11 | 653 | |
| Appalachian Total5 | 1,531 | 15 | 1,367 | 29 | 2,942 | |
| Interior Total5 | 701 | - | 393 | - | 1,094 | |
| Western Total5 | 118 | - | 676 | 23 | 817 | |
| East of Miss. River | 2,218 | 15 | 1,760 | 29 | 4,023 | |
| West of Miss. River | 131 | - | 676 | 23 | 830 | |
| U.S. Total | 2,349 | 15 | 2,436 | 52 | 4,853 | |
1/ Mines that produce greater than 50 percent of coal by continuous mining method. 2/ Mines that produce greater than 50 percent of coal by conventional mining method. 3/ Mines that have any production from longwall mining method. A typical longwall mining operation uses 80 percent longwall mining and 20 percent continuous mining. 4/ Mines that produce coal using shortwall, scoop loading, hand loading, or other mining methods or a 50/50 percent continuous/conventional split in mining method, or mines that produce less than 10,000 short tons, which are not required to provide data. 5/ For a definition of coal-producing regions, see Appendix C. * Data round to zero. w/ Withheld to avoid disclosure of individual company data. Notes: Recoverable reserves represent the quantity of coal that can be recovered (i.e., mined) from existing coal reserves at reporting mines. Excludes mines producing less than 10,000 short tons, which are not required to provide data. Totals may not equal sum of components due to independent rounding. Sources: Energy Information Administration, Form EIA-7A, "Coal Production Report" and U.S. Department of Labor, Mine Safety and Health Administration, Form 7000-2, "Quarterly Mine Employment and Coal Production Report." | ||||||