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Table 22. Underground Coal Mining Productivity by State and Mining Method, 2007
(Short Tons Produced per Employee per Hour) |
Coal-Producing State and Region[1] |
Continuous[2] |
Conventional and Other[3] |
Longwall[4] |
Total |
Alabama |
0.84 |
- |
2.15 |
2.09 |
Arkansas |
0.41 |
- |
- |
0.41 |
Colorado |
3.66 |
- |
7.57 |
7.37 |
Illinois |
3.76 |
- |
3.06 |
3.49 |
Indiana |
3.22 |
- |
- |
3.22 |
Kentucky Total |
2.71 |
2.12 |
2.11 |
2.70 |
Eastern |
2.32 |
2.12 |
2.11 |
2.31 |
Western |
3.86 |
- |
- |
3.86 |
Maryland |
2.09 |
- |
- |
2.09 |
Montana |
1.46 |
- |
- |
1.46 |
New Mexico |
- |
- |
9.59 |
9.11 |
Ohio |
3.72 |
3.46 |
5.40 |
4.80 |
Oklahoma |
2.65 |
- |
- |
2.65 |
Pennsylvania Total |
3.05 |
0.40 |
5.00 |
4.41 |
Anthracite |
0.78 |
0.40 |
- |
0.70 |
Bituminous |
3.20 |
- |
5.00 |
4.50 |
Tennessee |
1.92 |
- |
- |
1.92 |
Utah |
1.99 |
- |
6.13 |
5.81 |
Virginia |
2.14 |
- |
3.24 |
2.28 |
West Virginia Total |
2.40 |
- |
3.63 |
2.82 |
Northern |
2.60 |
- |
4.61 |
4.05 |
Southern |
2.38 |
- |
1.99 |
2.31 |
Wyoming |
- |
- |
6.47 |
6.47 |
Appalachian Total |
2.39 |
2.63 |
3.88 |
2.92 |
Northern |
2.92 |
3.03 |
4.90 |
4.31 |
Central |
2.31 |
2.12 |
2.22 |
2.30 |
Southern |
0.84 |
- |
2.15 |
2.09 |
Interior Total |
2.72 |
- |
3.06 |
2.76 |
Illinois Basin |
3.68 |
- |
3.06 |
3.57 |
Western Total |
2.55 |
- |
7.04 |
6.74 |
Powder River Basin |
- |
- |
- |
- |
Uinta Region |
2.30 |
- |
6.82 |
6.60 |
East of Miss. River |
2.68 |
2.63 |
3.80 |
3.04 |
West of Miss. River |
2.12 |
- |
7.04 |
6.53 |
U.S. Total |
2.67 |
2.63 |
4.51 |
3.36 |
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