| Year | Operation Name | Number | Type | Opening | District | City | County | Company Name | Railroad Shipments (tons) | Railroad to Mine | Truck Shipments (tons) | Total Production (tons) | Days Worked | Employees | Notes |
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| 1936 | Mileski | | Mine | | 7 | | Luzerne | Mileski Coal Co. | 3,462 | | 0 | 3,462 | 263 | 10 | |
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