| 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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| 1966 | Kassa | | Breaker | | 13 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 240 | 3 | | | 1967 | Kassa | | Breaker | | 13 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 228 | 3 | | | 1968 | Kassa | | Breaker | | 5 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 240 | 4 | | | 1968 | No. 6 | | Bank | | 6 | | Luzerne | Silverbrook Anthracite, Inc. | 403 | | 0 | 3,000 | 57 | 10 | Coal prepared at Kassa Breaker. | | 1969 | Kassa | | Breaker | | 5 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 305 | 7 | | | 1969 | No. 6 | | Bank | | 6 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 16,927 | 247 | 6 | Ceased operation during 1969. Coal prepared at Kassa Breaker. | | 1969 | Woodward | | Storage | | 5 | Edwardsville | Luzerne | Silverbrook Anthracite, Inc. | 0 | Truck 1 | 2,384 | 2,390 | 0 | 0 | Coal from storage at Kassa Breaker for two years. | | 1970 | Kassa | | Breaker | | 5 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 315 | 7 | |
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