| 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 |
|---|
| 1930 | Northwest | | Colliery | | 1 | Simpson 1 | Lackawanna | Norwesco Mining Co. | 10,563 | Erie | 0 | 10,563 | 69 | 29 | Coal prepared at Langcliffe Breaker, 7th District. | | 1931 | Northwest | | Colliery | | 1 | Simpson 1 | Lackawanna | Norwesco Mining Co. | 26,084 | | 0 | 26,236 | 152 | 150 | Sold run of mine to Langcliffe Breaker, 7th District. | | 1931 | Oak Run | | Colliery | | 2 | | Lackawanna | Norwesco Coal Co. | 14,041 | | 0 | 14,041 | 186 | 49 | Formerly operated by Lincoln Coal Co. |
|