Table
02. Coal PRODUCTION
(in short tons) in the United States, by
Primary Activity, 1978-2007
Year
|
Underground
Mines
|
Surface
Mines
|
Grand
Total
|
|
|
Strip
|
Auger
|
Culm
Bank
|
Dredge
|
Total
|
|
1978
|
229,075,592
|
398,166,766
|
2,521,664
|
1,958,975
|
28,099
|
402,675,504
|
631,751,096
|
1979
|
300,440,004
|
437,419,278
|
1,906,995
|
1,865,310
|
67,852
|
441,259,435
|
741,699,439
|
1980
|
321,018,628
|
473,618,132
|
1,348,373
|
1,973,676
|
122,925
|
477,063,106
|
798,081,734
|
1981
|
299,425,866
|
484,305,551
|
1,621,326
|
2,128,428
|
129,738
|
488,185,043
|
787,610,909
|
1982
|
328,610,350
|
479,283,066
|
1,850,723
|
1,552,917
|
274,416
|
482,961,122
|
811,571,472
|
1983
|
292,164,426
|
466,278,990
|
2,494,683
|
1,274,891
|
186,334
|
470,234,898
|
762,399,324
|
1984
|
343,167,938
|
536,880,553
|
2,309,297
|
1,286,207
|
184,707
|
540,660,764
|
883,828,702
|
1985
|
343,560,086
|
515,385,098
|
2,627,423
|
1,452,495
|
166,423
|
519,631,439
|
863,191,525
|
1986
|
353,625,702
|
522,090,887
|
2,671,658
|
1,496,635
|
160,093
|
526,419,273
|
880,044,975
|
1987
|
364,940,375
|
533,180,473
|
3,860,736
|
1,849,323
|
195,112
|
539,085,644
|
904,026,019
|
1988
|
377,463,230
|
560,131,269
|
4,494,464
|
1,685,835
|
163,191
|
566,474,759
|
943,937,989
|
1989
|
387,696,287
|
577,754,203
|
4,194,720
|
1,829,376
|
276,268
|
584,054,567
|
971,750,854
|
1990
|
419,899,597
|
593,296,810
|
3,872,704
|
1,995,820
|
277,847
|
599,443,181
|
1,019,342,778
|
1991
|
404,295,712
|
577,090,401
|
3,877,363
|
2,060,539
|
428,961
|
583,457,264
|
987,752,976
|
1992
|
403,932,688
|
579,003,898
|
3,971,728
|
2,252,039
|
261,904
|
585,489,569
|
989,422,257
|
1993
|
348,436,286
|
588,692,235
|
3,426,536
|
2,585,492
|
149,359
|
594,853,622
|
943,289,908
|
1994
|
396,610,662
|
626,762,567
|
5,044,681
|
2,951,491
|
325,784
|
635,084,523
|
1,031,695,185
|
1995
|
396,140,037
|
627,888,671
|
4,760,956
|
2,901,514
|
393,870
|
635,945,011
|
1,032,085,048
|
1996
|
410,577,156
|
644,869,796
|
5,986,303
|
3,593,872
|
360,690
|
654,810,661
|
1,065,387,817
|
1997
|
419,810,539
|
660,973,232
|
6,624,108
|
4,240,032
|
484,258
|
672,321,630
|
1,092,132,169
|
1998
|
419,653,258
|
691,040,178
|
6,617,919
|
4,120,246
|
610,853
|
702,389,196
|
1,122,042,454
|
1999
|
391,685,324
|
696,679,837
|
6,939,153
|
3,765,207
|
857,496
|
708,241,693
|
1,099,927,017
|
2000
|
373,754,882
|
692,754,745
|
7,630,012
|
3,903,901
|
1,022,144
|
705,310,802
|
1,079,065,684
|
2001
|
380,919,546
|
740,817,397
|
6,217,762
|
1,306,446
|
1,071,387
|
749,412,992
|
1,130,332,538
|
2002
|
358,534,766
|
731,458,534
|
5,690,122
|
390,126
|
710,084
|
738,248,866
|
1,096,783,632
|
2003
|
352,615,521
|
714,161,776
|
4,590,637
|
415,224
|
573,305
|
719,740,942
|
1,072,356,463
|
2004
|
367,147,343
|
737,927,706
|
6,364,626
|
474,132
|
509,749
|
745,276,213
|
1,112,423,556
|
2005
|
369,370,807
|
756,330,108
|
8,597,856
|
382,615
|
351,629
|
765,662,208
|
1,135,033,015
|
2006
|
359,344,662
|
794,806,452
|
9,659,920
|
385,171
|
379,918
|
805,231,461
|
1,164,576,123
|
2007
|
351,996,028
|
785,000,352
|
9,592,411
|
847,163
|
308,346
|
795,748,272
|
1,147,744,300
|
All numbers include
contractors.
z
|