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Table 15. Recoverable Coal Reserves at Producing Mines, Estimated Recoverable Reserves, and Demonstrated Reserve Base by Mining Method, 2006
(Million Short Tons) |
Coal-Producing
State |
Underground
- Minable Coal |
Surface
- Minable Coal |
Total |
Recoverable
Reserves
at Producing Mines |
Estimated
Recoverable Reserves |
Demonstrated
Reserve Base |
Recoverable
Reserves
at Producing Mines |
Estimated
Recoverable Reserves |
Demonstrated
Reserve Base |
Recoverable
Reserves
at Producing Mines |
Estimated
Recoverable Reserves |
Demonstrated
Reserve Base |
Alabama |
280 |
497 |
986 |
56 |
2,271 |
3,188 |
336 |
2,767 |
4,174 |
Alaska |
- |
2,335 |
5,423 |
W |
497 |
685 |
W |
2,832 |
6,108 |
Arizona |
- |
- |
- |
W |
- |
- |
W |
- |
- |
Arkansas |
W |
127 |
272 |
- |
101 |
144 |
W |
228 |
417 |
Colorado |
W |
5,981 |
11,397 |
W |
3,746 |
4,761 |
335 |
9,727 |
16,158 |
Georgia |
- |
1 |
2 |
- |
1 |
2 |
- |
2 |
4 |
Idaho |
- |
2 |
4 |
- |
- |
- |
- |
2 |
4 |
Illinois |
1,255 |
27,910 |
87,865 |
40 |
10,068 |
16,543 |
1,294 |
37,978 |
104,408 |
Indiana |
249 |
3,611 |
8,720 |
135 |
416 |
711 |
384 |
4,027 |
9,431 |
Iowa |
- |
807 |
1,732 |
- |
320 |
457 |
- |
1,127 |
2,189 |
Kansas |
- |
- |
- |
W |
680 |
972 |
W |
680 |
972 |
Kentucky Total |
962 |
7,336 |
16,909 |
171 |
7,449 |
12,906 |
1,134 |
14,785 |
29,814 |
Eastern |
554 |
603 |
1,080 |
149 |
5,183 |
9,282 |
703 |
5,786 |
10,362 |
Western |
408 |
6,733 |
15,829 |
23 |
2,266 |
3,624 |
431 |
8,999 |
19,452 |
Louisiana |
- |
- |
- |
W |
309 |
416 |
W |
309 |
416 |
Maryland |
W |
314 |
572 |
W |
42 |
62 |
28 |
356 |
634 |
Michigan |
- |
55 |
123 |
- |
3 |
5 |
- |
59 |
128 |
Mississippi |
- |
- |
- |
W |
- |
- |
W |
- |
- |
Missouri |
- |
689 |
1,479 |
W |
3,157 |
4,510 |
W |
3,846 |
5,989 |
Montana |
W |
35,922 |
70,957 |
W |
38,979 |
48,220 |
1,211 |
74,901 |
119,177 |
New Mexico |
W |
2,794 |
6,142 |
W |
4,171 |
5,951 |
504 |
6,965 |
12,093 |
North Carolina |
- |
5 |
11 |
- |
- |
- |
- |
5 |
11 |
North Dakota |
- |
- |
- |
1,145 |
6,877 |
9,015 |
1,145 |
6,877 |
9,015 |
Ohio |
192 |
7,706 |
17,515 |
99 |
3,760 |
5,745 |
291 |
11,466 |
23,260 |
Oklahoma |
W |
573 |
1,230 |
W |
225 |
321 |
23 |
798 |
1,551 |
Oregon |
- |
6 |
15 |
- |
2 |
3 |
- |
9 |
17 |
Pennsylvania Total |
468 |
10,652 |
23,113 |
79 |
1,035 |
4,236 |
548 |
11,687 |
27,349 |
Anthracite |
2 |
340 |
3,843 |
14 |
420 |
3,353 |
16 |
760 |
7,196 |
Bituminous |
466 |
10,312 |
19,270 |
65 |
615 |
883 |
531 |
10,927 |
20,153 |
South Dakota |
- |
- |
- |
- |
277 |
366 |
- |
277 |
366 |
Tennessee |
12 |
278 |
508 |
8 |
178 |
262 |
21 |
456 |
770 |
Texas |
- |
- |
- |
730 |
9,490 |
12,328 |
730 |
9,490 |
12,328 |
Utah |
243 |
2,488 |
5,076 |
- |
212 |
268 |
243 |
2,700 |
5,344 |
Virginia |
223 |
614 |
1,093 |
51 |
171 |
548 |
273 |
785 |
1,642 |
Washington |
- |
674 |
1,332 |
W |
6 |
8 |
W |
681 |
1,340 |
West Virginia Total |
1,206 |
15,485 |
29,015 |
588 |
2,329 |
3,691 |
1,793 |
17,814 |
32,706 |
Northern |
252 |
NA |
NA |
32 |
NA |
NA |
284 |
NA |
NA |
Southern |
954 |
NA |
NA |
556 |
NA |
NA |
1,510 |
NA |
NA |
Wyoming |
W |
22,949 |
42,499 |
W |
17,195 |
20,762 |
7,890 |
40,144 |
63,261 |
U.S. Total |
5,897 |
149,814 |
333,991 |
12,983 |
113,967 |
157,085 |
18,880 |
263,781 |
491,076 |
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