| 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 |
|---|
| 1938 | Zubal | | Mine | | 12 | | Luzerne | Larry Zubal | 0 | | 0 | 7,347 | 194 | 8 | Run of mine coal prepared at Kingston No. 4 Colliery. |
| 1939 | Zubal | | Mine | | 12 | | Luzerne | Larry Zubal | 0 | | 0 | 3,867 | 113 | 11 | Coal shipped run of mine to Kingston No. 2 Breaker. |
| 1940 | Zubal | | Mine | | 12 | | Luzerne | Larry Zubal | 7,428 | | 0 | 7,428 | 159 | 19 | Run of mine coal prepared at Black Diamond Colliery, 10th District. |
| 1941 | Zubal | | Mine | | 1 | | Lackawanna | Zubal Coal Co. | 400 | | 60 | 460 | 44 | 14 | |