| 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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| 1940 | No. 4 | | Mine | | 5 | | Lackawanna | Number Four Coal Co. | 0 | | 0 | 87 | 127 | 11 | New operation. | | 1941 | No. 4 | | Mine | | 5 | | Lackawanna | Number Four Coal Co. | 1,767 | | 2,651 | 4,418 | 262 | 17 | |
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