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Average Number of Employees at Underground and Surface Mines by State and Mine Production Range                                          
Table 19.    xls    pdf     Annual Coal Report
Table 19. Average Number of Employees at Underground and Surface Mines by State and Mine Production Range, 2006
Coal-Producing State
Region [1] and Mine Type		 Mine Production Range (thousand short tons) Total Number of Employees
1,000 and Greater 500 to 1,000 200 to 500 100 to 200 50 to 100 10 to 50 Less Than 10 Zero [2]
Alabama  1,745 1,145 429 225 252 230 39 130 4,195
   Underground  1,745 750 - 25 42 9 3 47 2,621
   Surface  - 395 429 200 210 221 36 83 1,574
Alaska  96 - - - - - - - 96
   Surface  96 - - - - - - - 96
Arizona  411 - - - - - - 7 418
   Surface  411 - - - - - - 7 418
Arkansas  - - - - - 41 2 - 43
   Underground  - - - - - 41 - - 41
   Surface  - - - - - - 2 - 2
Colorado  2,054 20 108 - 41 - - 6 2,229
   Underground  1,596 - 80 - - - - 6 1,682
   Surface  458 20 28 - 41 - - - 547
Illinois  3,378 67 312 - 55 2 - 163 3,977
   Underground  3,110 - 227 - 55 - - 115 3,507
   Surface  268 67 85 - - 2 - 48 470
Indiana  2,193 191 206 - 75 16 3 174 2,858
   Underground  948 - 156 - 39 - - 88 1,231
   Surface  1,245 191 50 - 36 16 3 86 1,627
Kansas  - - 32 13 - - - 16 61
   Surface  - - 32 13 - - - 16 61
Kentucky Total  4,359 3,350 3,395 1,935 1,423 927 518 2,052 17,959
   Underground  3,415 2,387 1,788 1,263 1,019 458 316 1,256 11,902
   Surface  944 963 1,607 672 404 469 202 796 6,057
  Eastern  1,987 3,276 3,272 1,848 1,306 899 509 1,913 15,010
   Underground  1,120 2,387 1,739 1,196 943 458 316 1,144 9,303
   Surface  867 889 1,533 652 363 441 193 769 5,707
  Western  2,372 74 123 87 117 28 9 139 2,949
   Underground  2,295 - 49 67 76 - - 112 2,599
   Surface  77 74 74 20 41 28 9 27 350
Louisiana  204 39 - - - - - - 243
   Surface  204 39 - - - - - - 243
Maryland  94 110 95 60 39 38 17 37 490
   Underground  94 - 54 23 - - - 34 205
   Surface  - 110 41 37 39 38 17 3 285
Mississippi  178 - - - - - - - 178
   Surface  178 - - - - - - - 178
Missouri  - - 8 12 - - - - 20
   Surface  - - 8 12 - - - - 20
Montana  872 - 70 - - - - - 942
   Underground  - - 58 - - - - - 58
   Surface  872 - 12 - - - - - 884
New Mexico  1,202 - - - - - - 170 1,372
   Underground  302 - - - - - - 66 368
   Surface  900 - - - - - - 104 1,004
North Dakota  942 - - - - - - 5 947
   Surface  942 - - - - - - 5 947
Ohio  879 558 400 257 51 60 50 158 2,413
   Underground  879 243 129 64 - - - 69 1,384
   Surface  - 315 271 193 51 60 50 89 1,029
Oklahoma  - - 167 24 - 31 2 - 224
   Underground  - - 48 - - 25 - - 73
   Surface  - - 119 24 - 6 2 - 151
Pennsylvania Total  3,498 664 963 544 338 483 292 744 7,526
   Underground  3,498 443 451 245 32 61 52 317 5,099
   Surface  - 221 512 299 306 422 240 427 2,427
  Anthracite  - - 24 46 106 154 165 374 869
   Underground  - - - 46 - 33 52 95 226
   Surface  - - 24 - 106 121 113 279 643
  Bituminous  3,498 664 939 498 232 329 127 370 6,657
   Underground  3,498 443 451 199 32 28 - 222 4,873
   Surface  - 221 488 299 200 301 127 148 1,784
Tennessee  - - 357 44 50 129 17 63 660
   Underground  - - 156 - 50 84 8 35 333
   Surface  - - 201 44 - 45 9 28 327
Texas  2,080 58 - - - - - - 2,138
   Surface  2,080 58 - - - - - - 2,138
Utah  1,554 270 54 - - 14 5 139 2,036
   Underground  1,554 270 54 - - 14 5 133 2,030
   Surface  - - - - - - - 6 6
Virginia  984 683 1,521 530 405 338 126 675 5,262
   Underground  748 421 960 427 249 219 94 505 3,623
   Surface  236 262 561 103 156 119 32 170 1,639
Washington  673 - - - - - - - 673
   Surface  673 - - - - - - - 673
West Virginia Total  8,286 3,323 3,590 1,046 756 597 178 2,300 20,076
   Underground  4,757 2,341 2,726 724 624 356 140 1,522 13,190
   Surface  3,529 982 864 322 132 241 38 778 6,886
  Northern  2,817 624 513 76 102 123 47 319 4,621
   Underground  2,531 589 425 57 95 42 23 220 3,982
   Surface  286 35 88 19 7 81 24 99 639
  Southern  5,469 2,699 3,077 970 654 474 131 1,981 15,455
   Underground  2,226 1,752 2,301 667 529 314 117 1,302 9,208
   Surface  3,243 947 776 303 125 160 14 679 6,247
Wyoming  5,640 128 - - 60 6 3 - 5,837
   Underground  - 128 - - - - - - 128
   Surface  5,640 - - - 60 6 3 - 5,709
Appalachian Total  17,473 9,759 10,627 4,554 3,197 2,774 1,228 6,020 55,632
   Underground  12,841 6,585 6,215 2,704 1,940 1,187 613 3,673 35,758
   Surface  4,632 3,174 4,412 1,850 1,257 1,587 615 2,347 19,874
  Northern  7,288 1,956 1,971 937 530 704 406 1,258 15,050
   Underground  7,002 1,275 1,059 389 127 103 75 640 10,670
   Surface  286 681 912 548 403 601 331 618 4,380
  Central  8,440 6,658 8,227 3,392 2,415 1,840 783 4,632 36,387
   Underground  4,094 4,560 5,156 2,290 1,771 1,075 535 2,986 22,467
   Surface  4,346 2,098 3,071 1,102 644 765 248 1,646 13,920
  Southern  1,745 1,145 429 225 252 230 39 130 4,195
   Underground  1,745 750 - 25 42 9 3 47 2,621
   Surface  - 395 429 200 210 221 36 83 1,574
Interior Total  10,405 429 848 136 247 118 16 492 12,691
   Underground  6,353 - 480 67 170 66 - 315 7,451
   Surface  4,052 429 368 69 77 52 16 177 5,240
  Illinois Basin  7,943 332 641 87 247 46 12 476 9,784
   Underground  6,353 - 432 67 170 - - 315 7,337
   Surface  1,590 332 209 20 77 46 12 161 2,447
Western Total  13,444 418 232 - 101 20 8 327 14,550
   Underground  3,452 398 192 - - 14 5 205 4,266
   Surface  9,992 20 40 - 101 6 3 122 10,284
  Powder River Basin  5,792 - - - 60 - - - 5,852
   Surface  5,792 - - - 60 - - - 5,852
  Uinta Region  3,608 290 79 - 41 14 5 145 4,182
   Underground  3,150 270 79 - - 14 5 139 3,657
   Surface  458 20 - - 41 - - 6 525
East of Miss. River  25,594 10,091 11,268 4,641 3,444 2,820 1,240 6,496 65,594
   Underground  19,194 6,585 6,647 2,771 2,110 1,187 613 3,988 43,095
   Surface  6,400 3,506 4,621 1,870 1,334 1,633 627 2,508 22,499
West of Miss. River  15,728 515 439 49 101 92 12 343 17,279
   Underground  3,452 398 240 - - 80 5 205 4,380
   Surface  12,276 117 199 49 101 12 7 138 12,899
Subtotal  41,322 10,606 11,707 4,690 3,545 2,912 1,252 6,839 82,873
   Underground  22,646 6,983 6,887 2,771 2,110 1,267 618 4,193 47,475
   Surface  18,676 3,623 4,820 1,919 1,435 1,645 634 2,646 35,398
Refuse Recovery  - - - 31 - 37 16 2 86
U.S. Total  41,322 10,606 11,707 4,721 3,545 2,949 1,268 6,841 82,959
[1] For a definition of coal producing regions, see Glossary.
[2 ]Includes all employees at preparation plants and tipples not co-located with a mine.
Note: Includes all employees engaged in production, preparation, processing, development, maintenance, repair shop, or yard work at mining operations, including office workers. Excludes preparation plants with less than 5,000 employee hours per year, which are not required to provide data.
Source: U.S. Department of Labor, Mine Safety and Health Administration, Form 7000-2, "Quarterly Mine Employment and Coal Production Report."
More Tables on Number of Employees:
Formats
Table 18. Average Number of Employees by State and Mine Type html xls pdf
Table 20. Average Number of Employees at Underground and Surface Mines by State and Union Status html xls pdf

see also:
Historical Coal Data back to 1949
Projected Coal Supply & Demand to 2030
International Coal Data