| 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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| 1955 | Gentroy | | Breaker | | 9 | Wyoming 2 | Luzerne | Gentroy Coal Co. | 0 | | 0 | 0 | 175 | 7 | | | 1956 | Gentroy | | Breaker | | 9 | | Luzerne | Gentroy Coal Co. | 0 | | 0 | 0 | 113 | 7 | | | 1957 | Gentroy | | Breaker | | 9 | | Luzerne | Gentroy Coal Co. | 0 | | 0 | 0 | 107 | 5 | | | 1958 | Gentroy | | Breaker | | 9 | Exeter | Luzerne | Panzitta Coal Co. | 0 | | 0 | 0 | 4 | 4 | Discontinued operations January 15, 1958. |
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