| 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 |
|---|
| 1936 | Oak Hill | | Mine | Slope | 5 | Moosic 1 | Lackawanna | Reliable Coal Co. | 0 | Truck 1 | 935 | 935 | 68 | 9 | Formerly M. Lednovitch. | | 1937 | Reliable | | Mine | | 5 | | Lackawanna | Reliable Coal Co. | 0 | Truck 1 | 150 | 150 | 8 | 9 | |
|