| 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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| 1946 | Seneca | | Bank | | 5 | Pittston 1 | Luzerne | Oxford Coal Co. | 30,446 | | 0 | 30,446 | 64 | 17 | Coal prepared at Sullivan Trail Breaker. | | 1947 | Seneca | | Washery | | 5 | Pittston 1 | Luzerne | Oxford Coal Co. | 63,146 | | 0 | 63,146 | 115 | 26 | Coal prepared at Moffat Breaker. | | 1948 | Seneca | | Washery | | 6 | Pittston 1 | Luzerne | Oxford Coal Co. | 65,453 | | 0 | 65,453 | 146 | 26 | Bank coal. Discontinued operation in October. |
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