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County | Number of Operators | Number of Mines | Number of Employees | Total Production (tons) |
Armstrong | 1 | 1 | 11 | 78,580 |
Butler | 1 | 1 | 13 | 103,270 |
Centre | 1 | 2 | 51 | 1,510,436 |
Fayette | 2 | 3 | 138 | 4,049,429 |
Somerset | 1 | 1 | 26 | 472,779 |
Westmoreland | 2 | 3 | 113 | 3,097,405 |
York | 1 | 1 | 25 | 762,640 |
Region Totals | 9 | 12 | 377 | 10,074,539 |