| 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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| 1899 | Winton | | Washery | | 1 | Winton | Lackawanna | Ontario Coal Co. | 15,395 | | 0 | 20,870 | 122 | 30 | |
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