| 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 |
|---|
| 1870 | Port Bowkley | | Colliery | Slope | Middle | Plainesville 1 | Luzerne | Wyoming Coal & Traction Co. | 0 | | 0 | 0 | | 106 | | | 1871 | Port Bowkley | | Colliery | Slope | Middle | Plainesville | Luzerne | Wyoming Coal & Traction Co. | 0 | | 0 | 0 | | 168 | |
|