| 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 |
|---|
| 1959 | Kassa | | Breaker | | 10 | | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 44 | 2 | |
| 1959 | Kassa | | Mine | | 10 | | Sullivan | Kassa Coal Co. | 0 | | 0 | 1,022 | 95 | 4 | Mine employing less than five persons. |
| 1960 | Kassa | | Breaker | | 10 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 7 | 2 | |
| 1961 | Kassa | | Breaker | | 11 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 152 | 2 | |
| 1962 | Kassa | | Breaker | | 11 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 102 | 2 | |
| 1963 | Kassa | | Breaker | | 11 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 1,344 | 128 | 2 | Bank coal and breaker refuse sold to local power plants. |
| 1964 | Kassa | | Breaker | | 11 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 240 | 2 | |
| 1965 | Kassa | | Breaker | | 10 | Dupont 2 | Luzerne | Kassa Coal Co. | 0 | | 0 | 0 | 240 | 3 | |
| 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 | |
| 1969 | Kassa | | Breaker | | 5 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 305 | 7 | |
| 1970 | Kassa | | Breaker | | 5 | | Luzerne | Silverbrook Anthracite, Inc. | 0 | | 0 | 0 | 315 | 7 | |
Note 2: From a list of Anthracite Operators. This may not be the operation location.