| 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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| 1934 | Keystone | | Mine | | 5 | | Lackawanna | Keystone Fuel Co. | 4,145 | | 0 | 4,145 | 96 | 20 | | | 1935 | Keystone | | Mine | | 5 | | Lackawanna | Keystone Fuel Co. | 12,078 | | 0 | 12,078 | 233 | 15 | |
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