| 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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| 1959 | Loomis | | Breaker | | 7 | Nanticoke 1 | Luzerne | Pyramid Coal Co. | 111,440 | | 0 | 112,440 | 222 | 44 | | | 1960 | Loomis | | Breaker | | 7 | Nanticoke | Luzerne | Pyramid Coal Co. | 181,950 | | 0 | 181,950 | 224 | 49 | Coal prepared at Glen Lyon Breaker. | | 1961 | Loomis | | Breaker | | 7 | Nanticoke | Luzerne | Pyramid Coal Co. | 90,360 | | 81,754 | 21,640 | 193 | 56 | |
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