| 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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| 1968 | Throop Mine Fire | | Cut | | 1 | Throop 1 | Lackawanna | Empire Contracting Co. | 3 | | 222 | 278 | 0 | 0 | Coal prepared at Ace Breaker. | | 1969 | Throop Mine Fire | | Cut | | 1 | Throop 1 | Lackawanna | Empire Contracting Co. | 0 | | 0 | 1,775 | 0 | 0 | Coal prepared at Kassa and Ace breakers. |
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