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Productive Capacity and Capacity Utilization of Underground Coal Mines by State and Mining Method
                                         
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Table 13. Productive Capacity and Capacity Utilization of Underground Coal Mines by State and Mining Method, 2006
(Thousand Short Tons)
Coal-Producing State
Continuous[1]
Conventional andOther[2]
Longwall[3]
Total
Productive Capacity
Capacity Utilization
Percent
Productive Capacity
Capacity Utilization
Percent
Productive Capacity
Capacity Utilization
Percent
Productive Capacity
Capacity Utilization
Percent
Colorado  W W - - W W 32,836 81.19
Illinois  W W - - W W 35,560 76.27
Indiana  12,122 88.57 - - - - 12,122 88.57
Kentucky Total  87,421 W W 82.25 W W 91,205 80.13
  Eastern  W W W W W W 63,278 77.77
  Western  W W W W - - 27,928 85.47
Maryland  W W - - W W W W
Montana  W W - - - - W W
New Mexico  - - - - W W W W
Ohio  3,060 86.90 W W W W 17,810 84.93
Oklahoma  W W - - - - W W
Pennsylvania Total  14,558 74.48 W W W W 59,830 89.87
  Anthracite  W W W W - - 279 85.62
  Bituminous  W W - - W W 59,551 89.89
Tennessee  1,738 68.26 - - - - 1,738 68.26
Utah  2,005 69.67 - - 27,525 89.42 29,530 88.08
Virginia  W W - - W W 20,716 90.02
West Virginia Total  66,866 65.98 653 99.98 49,946 79.71 117,465 72.01
  Northern  10,312 70.96 - - 29,275 98.20 39,587 91.11
  Southern  56,554 65.07 653 99.98 20,671 53.53 77,878 62.3
Wyoming  W W - - - - W W
U.S. Total  231,780 75.52 4,134 79.59 212,981 84.73 448,895 79.93
  [1] Mines that produce greater than 50 percent of their coal by continuous mining methods.
  [2] Mines that produce greater than 50 percent of their coal by conventional mining methods or mines that produce coal using shortwall, scoop loading, hand loading, or other methods or a 50/50 percent continuous conventional split in mining method.
  [3] Mines that have any production from the longwall mining method.  A typical longwall mining operation uses 80 percent longwall mining and 20 percent  continuous mining.
  - =  No data are reported.
  W = Data withheld to avoid disclosure.
  Note:  · Productive capacity is the maximum amount of coal that can be produced annually.  Capacity utilization is the ratio of total production to annual productive capacity.  Excludes mines producing less than 10,000 short tons, which are not required to provide data and recovery operations. Totals may not equal sum of components because of independent rounding.
  Source:  · Energy Information Administration Form EIA-7A, "Coal Production Report," for productive capacity, and U.S. Department of Labor, Mine Safety and Health Administration, Form 7000-2, "Quarterly Mine Employment and Coal Production Report," for annual production.   

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