| 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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| 1941 | Weston | | Mine | | 2 | | Lackawanna | Weston Coal Co. | 5,390 | | 599 | 5,989 | 106 | 11 | New operation. |
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