| 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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| 1882 | Enterprise | | Colliery | Shaft | Middle | Plains Twp. | Luzerne | Andrew Langdon & Co. | 0 | | 0 | 145,456 | 222 | 325 | |
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