| 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 |
|---|
| 1875 | Oakwood | | Colliery | Shaft | Middle | Plains Twp. | Luzerne | Lehigh Valley Coal Co. | 0 | | 0 | 0 | | | | | 1876 | Oakwood | | Colliery | Shaft | Middle | Plains Twp. 1 | Luzerne | Lehigh Valley Coal Co. | 0 | | 0 | 0 | 28 | 28 | |
|