| 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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| 1940 | Sky Top | | Mine | | 2 | | Lackawanna | Sky Top Coal Co. | 410 | | 546 | 956 | 104 | 5 | Run of mine coal prepared at various breakers. | | 1941 | Sky Top | | Mine | | 2 | | Lackawanna | Sky Top Coal Co. | 110 | | 997 | 1,107 | 136 | 7 | |
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