| 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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| 1948 | Slenska | | Stripping | | 1 | Jessup 2 | Lackawanna | Slenska Bros. | 2,316 | | 0 | 2,316 | 38 | 6 | Coal prepared at Bolands Breaker. Discontinued operation in October. | | 1949 | Slenska | | Stripping | | 1 | Jessup 2 | Lackawanna | Slenska Bros. | 7,025 | | 421 | 7,446 | 172 | 5 | Discontinued operation in September. Coal prepared at Bolands and E&A breakers. | | 1959 | West Jermyn | | Stripping | | 1 | | Lackawanna | Slenska Coal Co. | 553 | | 2,366 | 2,919 | 235 | 4 | Coal prepared at Bolands and Penbrook breakers. | | 1960 | West Jermyn | | Stripping | | 1 | | Lackawanna | Slenska Coal Co. | 0 | | 0 | 1,050 | 208 | 2 | Coal sold to local sales. | | 1961 | West Jermyn | | Stripping | | 1 | | Lackawanna | Slenska Coal Co. | 164 | | 0 | 861 | 97 | 4 | Coal prepared at Penbrook and Bolands breakers. | | 1962 | Archbald | | Stripping | | 1 | Taylor 1 | Lackawanna | Slenska Coal Co. | 24 | | 11 | 85 | 27 | 2 | Coal prepared at Penbrook and Bolands breakers. | | 1963 | West Mountain | | Stripping | | 1 | | Lackawanna | Slenska Coal Co. | 91 | | 17 | 408 | 30 | 5 | Coal prepared at Penbrook and Ace breakers. | | 1964 | West Mountain | 75-1A1 | Stripping | | 1 | | Lackawanna | Slenska Coal Co. | 171 | | 265 | 854 | 154 | 4 | Coal prepared at Raymond, Pompey, Loree and Huber breakers. | | 1965 | Archbald | 75-1RA | Stripping | | 1 | Taylor 1 | Lackawanna | Slenska Coal Co. | 0 | | 0 | 113 | 47 | 2 | Coal prepared at Ace and Penbrook breakers. | | 1966 | Archbald | 75-1RA | Stripping | | 1 | Taylor 1 | Lackawanna | Slenska Coal Co. | 0 | | 0 | 0 | 46 | 2 | | | 1967 | Archbald | 75-1R3 | Stripping | | 1 | Taylor 1 | Lackawanna | Slenska Coal Co. | 22 | | 45 | 259 | 84 | 2 | Coal prepared at Ace Breaker. |
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