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Coal Mining Productivity by Production Range (Short Tons Coal Produced per Employee per Hour)
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Coal-Producing State, Region, and Mine Type |
Mine Production Range |
Total1 |
| 1,000 and Greater |
500 to 1,000 |
200 to 500 |
100 to 200 |
50 to 100 |
10 to 50 |
Less Than 10 |
| 2008 |
Virginia |
2.89 |
3.34 |
2.63 |
2.17 |
2.42 |
2.21 |
1.33 |
2.67 |
| Underground |
3.12 |
2.98 |
2.6 |
2.08 |
2.85 |
2.37 |
2.05 |
2.71 |
| Surface |
N/A |
3.75 |
2.67 |
2.34 |
1.79 |
2.11 |
1.01 |
2.59 |
| 2007 |
Virginia |
3.3 |
2.95 |
2.98 |
2.54 |
2.62 |
2.19 |
1.15 |
2.82 |
| Underground |
3.7 |
2.87 |
2.84 |
2.38 |
2.82 |
2.1 |
0.96 |
2.96 |
| Surface |
N/A |
3.26 |
3.06 |
2.95 |
2.1 |
2.31 |
1.27 |
2.61 |
| 2006 |
Virginia |
4.01 |
3.27 |
3.05 |
2.05 |
2.30 |
2.27 |
0.04 |
2.67 |
| Underground |
4.15 |
3.06 |
2.62 |
2.06 |
2.10 |
2.00 |
0.03 |
2.48 |
| Surface |
3.62 |
3.57 |
3.71 |
1.99 |
2.85 |
2.86 |
0.08 |
3.07 |
| 2005 |
Virginia |
3.27 |
3.69 |
3.04 |
2.38 |
2.37 |
1.43 |
0.05 |
2.54 |
| Underground |
2.963 |
3.19 |
2.92 |
2.12 |
2.16 |
1.21 |
0.05 |
2.25 |
| Surface |
3.92 |
4.27 |
3.24 |
3.03 |
3.27 |
1.99 |
0.06 |
3.13 |
| 2004 |
Virginia |
4.12 |
3.88 |
3.36 |
2.67 |
2.36 |
1.85 |
* |
2.95 |
| Underground |
4.13 |
3.74 |
3.21 |
2.62 |
2.46 |
1.50 |
* |
2.83 |
| Surface |
4.10 |
4.05 |
3.60 |
2.88 |
2.16 |
2.69 |
* |
3.22 |
| 2003 |
Virginia |
4.64 |
4.07 |
3.59 |
2.82 |
2.37 |
2.3 |
* |
3.17 |
| Underground |
4.65 |
3.77 |
3.39 |
2.8 |
2.51 |
2.41 |
* |
3.07 |
| Surface |
4.63 |
4.54 |
3.85 |
2.92 |
1.68 |
2.18 |
* |
3.41 |
| 2002 |
Virginia |
4.34 |
3.97 |
3.5 |
2.74 |
2.34 |
2.27 |
* |
2.94 |
| Underground |
4.34 |
3.64 |
3.2 |
2.79 |
2.33 |
2.16 |
* |
2.81 |
| Surface |
- |
4.21 |
4.05 |
2.6 |
2.39 |
2.88 |
* |
3.25 |
| 2001 |
Virginia |
4.3 |
3.87 |
3.2 |
2.94 |
2.41 |
1.96 |
* |
2.94 |
| Underground |
4.2 |
3.38 |
2.76 |
2.57 |
2.36 |
1.8 |
* |
2.69 |
| Surface |
5.05 |
4.93 |
4.19 |
4.06 |
2.57 |
2.8 |
* |
3.67 |
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Note:
- [1] Includes all employees at preparation plants and tipples not co-located with a mine.
- * = The unit of measure is less than 0.5 or percent change is less than 0.1%.
- Productivity (short tons per miner hour) is calculated by dividing the total coal production by the total direct labor hours worked by all mine employees engaged in production, preparation, processing, development, maintenance, repair, and shop or yard work at mining operations. Calculation excludes mines producing less than 10,000 short tons and preparation plants with less than 5,000 employee hours, which are not required to provide this data.
Source:
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