| 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 |
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| 1939 | Childston | | Colliery | | 2 | | Lackawanna | Childston Coal Co. | 0 | | 0 | 0 | 199 | 11 | Preparation only. | | 1940 | Childston | | Colliery | | 2 | | Lackawanna | Childston Coal Co. | 0 | | 0 | 0 | 256 | 12 | Preparation only. |
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