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| Coal-Producing State, Region and Type of Mining | Number of Mines | Production | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mine Production Range (thousand short tons) | |||||||||||||
| 1,000 and over | 500 to 1,000 | 200 to 500 | 100 to 200 | 10 to 100 | Less than 10 | 1,000 and over | 500 to 1,000 | 200 to 500 | 100 to 200 | 10 to 100 | Less than 10 | ||
| Alabama | 6 | - | 6 | 8 | 18 | 4 | 15,683 | - | 1,673 | 1,083 | 872 | 14 | |
| Underground | 6 | - | - | 1 | 2 | - | 15,683 | - | - | 115 | 97 | - | |
| Surface | - | - | 6 | 7 | 16 | 4 | - | - | 1,673 | 968 | 775 | 14 | |
| Alaska | 1 | - | - | - | - | - | 1,641 | - | - | - | - | - | |
| Surface | 1 | - | - | - | - | - | 1,641 | - | - | - | - | - | |
| Arizona | 2 | - | - | - | - | - | 13,111 | - | - | - | - | - | |
| Surface | 2 | - | - | - | - | - | 13,111 | - | - | - | - | - | |
| Arkansas | - | - | - | - | - | 3 | - | - | - | - | - | 12 | |
| Surface | - | - | - | - | - | 3 | - | - | - | - | - | 12 | |
| Colorado | 8 | - | 2 | 2 | - | - | 28,084 | - | 670 | 383 | - | - | |
| Underground | 5 | - | 1 | 2 | - | - | 19,294 | - | 305 | 383 | - | - | |
| Surface | 3 | - | 1 | - | - | - | 8,791 | - | 365 | - | - | - | |
| Illinois | 13 | 3 | - | - | 2 | - | 30,982 | 2,294 | - | - | 169 | - | |
| Underground | 11 | 1 | - | - | - | - | 28,650 | 992 | - | - | - | - | |
| Surface | 2 | 2 | - | - | 2 | - | 2,332 | 1,302 | - | - | 169 | - | |
| Indiana | 12 | 7 | 4 | 2 | 5 | - | 21,249 | 5,053 | 1,243 | 246 | 175 | - | |
| Underground | 2 | - | 1 | 1 | 1 | - | 3,150 | - | 390 | 110 | 38 | - | |
| Surface | 10 | 7 | 3 | 1 | 4 | - | 18,098 | 5,053 | 853 | 135 | 138 | - | |
| Kansas | - | - | 1 | - | - | - | - | - | 201 | - | - | - | |
| Surface | - | - | 1 | - | - | - | - | - | 201 | - | - | - | |
| Kentucky Total | 35 | 50 | 71 | 63 | 137 | 52 | 56,890 | 34,639 | 23,167 | 9,322 | 6,376 | 294 | |
| Underground | 19 | 29 | 50 | 41 | 83 | 24 | 33,931 | 20,173 | 15,767 | 6,114 | 4,053 | 138 | |
| Surface | 16 | 21 | 21 | 22 | 54 | 28 | 22,959 | 14,466 | 7,400 | 3,207 | 2,323 | 156 | |
| Eastern | 27 | 44 | 68 | 57 | 135 | 51 | 37,529 | 30,231 | 22,109 | 8,409 | 6,337 | 287 | |
| Underground | 12 | 27 | 49 | 39 | 83 | 24 | 15,734 | 18,683 | 15,406 | 5,773 | 4,053 | 138 | |
| Surface | 15 | 17 | 19 | 18 | 52 | 27 | 21,794 | 11,548 | 6,704 | 2,636 | 2,284 | 149 | |
| Western | 8 | 6 | 3 | 6 | 2 | 1 | 19,361 | 4,408 | 1,057 | 913 | 39 | 8 | |
| Underground | 7 | 2 | 1 | 2 | - | - | 18,196 | 1,491 | 361 | 342 | - | - | |
| Surface | 1 | 4 | 2 | 4 | 2 | 1 | 1,165 | 2,918 | 696 | 571 | 39 | 8 | |
| Louisiana | 1 | 1 | - | - | - | - | 2,925 | 773 | - | - | - | - | |
| Surface | 1 | 1 | - | - | - | - | 2,925 | 773 | - | - | - | - | |
| Maryland | 1 | 1 | 3 | - | 7 | 4 | 2,667 | 529 | 1,073 | - | 250 | 27 | |
| Underground | 1 | 1 | - | - | - | - | 2,667 | 529 | - | - | - | - | |
| Surface | - | - | 3 | - | 7 | 4 | - | - | 1,073 | - | 250 | 27 | |
| Mississippi | - | 1 | - | - | - | - | - | 902 | - | - | - | - | |
| Surface | - | 1 | - | - | - | - | - | 902 | - | - | - | - | |
| Missouri | - | - | 1 | 1 | - | - | - | - | 249 | 188 | - | - | |
| Surface | - | - | 1 | 1 | - | - | - | - | 249 | 188 | - | - | |
| Montana | 5 | - | 1 | - | - | - | 37,980 | - | 372 | - | - | - | |
| Surface | 5 | - | 1 | - | - | - | 37,980 | - | 372 | - | - | - | |
| New Mexico | 6 | - | - | - | - | 1 | 27,320 | - | - | - | - | 4 | |
| Underground | - | - | - | - | - | 1 | - | - | - | - | - | 4 | |
| Surface | 6 | - | - | - | - | - | 27,320 | - | - | - | - | - | |
| North Dakota | 4 | - | - | - | - | - | 31,270 | - | - | - | - | - | |
| Surface | 4 | - | - | - | - | - | 31,270 | - | - | - | - | - | |
| Ohio | 5 | 6 | 14 | 10 | 14 | 11 | 11,716 | 4,324 | 4,080 | 1,597 | 511 | 41 | |
| Underground | 4 | 1 | 2 | 1 | - | 1 | 10,666 | 519 | 590 | 158 | - | * | |
| Surface | 1 | 5 | 12 | 9 | 14 | 10 | 1,050 | 3,804 | 3,490 | 1,440 | 511 | 41 | |
| Oklahoma | - | 1 | 2 | 2 | 2 | 1 | - | 522 | 614 | 335 | 112 | 5 | |
| Underground | - | - | 1 | - | - | - | - | - | 241 | - | - | - | |
| Surface | - | 1 | 1 | 2 | 2 | 1 | - | 522 | 372 | 335 | 112 | 5 | |
| Pennsylvania Total | 8 | 9 | 35 | 32 | 121 | 102 | 49,240 | 5,683 | 10,361 | 4,587 | 4,416 | 332 | |
| Underground | 8 | 5 | 13 | 11 | 12 | 33 | 49,240 | 2,865 | 3,787 | 1,572 | 405 | 91 | |
| Surface | - | 4 | 22 | 21 | 109 | 69 | - | 2,818 | 6,574 | 3,015 | 4,011 | 240 | |
| Anthracite | - | 1 | 7 | 3 | 43 | 58 | - | 694 | 1,826 | 461 | 1,433 | 158 | |
| Underground | - | - | - | 1 | 5 | 28 | - | - | - | 155 | 86 | 68 | |
| Surface | - | 1 | 7 | 2 | 38 | 30 | - | 694 | 1,826 | 306 | 1,347 | 90 | |
| Bituminous | 8 | 8 | 28 | 29 | 78 | 44 | 49,240 | 4,989 | 8,535 | 4,126 | 2,983 | 174 | |
| Underground | 8 | 5 | 13 | 10 | 7 | 5 | 49,240 | 2,865 | 3,787 | 1,417 | 319 | 23 | |
| Surface | - | 3 | 15 | 19 | 71 | 39 | - | 2,124 | 4,748 | 2,709 | 2,664 | 150 | |
1/ For a definition of coal-producing regions, see Appendix C. * Data round to zero. Source: U.S. Department of Labor, Mine Safety and Health Administration, Form 7000-2, "Quarterly Mine Employment and Coal Production Report." Notes: Coal production excludes silt, culm, refuse bank, slurry dam, and dredge operations except for Pennsylvania anthracite. Totals may not equal sum of components due to independent rounding. | |||||||||||||