| 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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| 1941 | Sleepy Hollow | | Mine | | 9 | | Luzerne | Sleepy Hollow Coal Co. | 0 | Truck 1 | 15,238 | 15,238 | 277 | 21 | May be at Red Ash? | | 1944 | Sleepy Hollow | | Stripping | | 10 | | Luzerne | Sleepy & Healey Co. | 1,831 | | 0 | 1,831 | 12 | 6 | |
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