| 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 |
|---|
| 1879 | Chauncey | | Colliery | Tunnel | Middle | near Plymouth | Luzerne | McFarland, Cooper & Co. | 20,000 | | 0 | 20,000 | 200 | 69 | Production numbers are estimates. |
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