| 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 |
|---|
| 1947 | Mid Valley | | Breaker | | 3 | Throop 2 | Lackawanna | Mid Valley Anthracite Co. | 0 | | 0 | 0 | 82 | 20 | |
| 1948 | Mid Valley | | Breaker | | 2 | | Lackawanna | Mid Valley Anthracite Co. | 0 | | 0 | 0 | 261 | 32 | Formerly operated by Consagra Coal Co. |
| 1948 | Mid Valley | | Stripping | | 2 | | Lackawanna | Mid Valley Anthracite Co. | 1,901 | | 336 | 2,237 | 54 | 10 | |
| 1949 | Mid Valley | | Breaker | | 2 | | Lackawanna | Mid Valley Anthracite Co. | 0 | | 0 | 0 | 24 | 20 | |
| 1949 | Mid Valley | | Stripping | | 2 | | Lackawanna | Mid Valley Anthracite Co. | 2,320 | | 774 | 3,094 | 24 | 5 | |
| 1961 | Mid Valley | | Mine | Slope | 2 | | Lackawanna | Mid Valley Coal Co. | 1,178 | | 963 | 2,141 | 166 | 12 | Coal prepared at Bolands Breaker. |
| 1961 | Mid Valley | No. 12 | Mine | Slope | 2 | | Lackawanna | Mid Valley Products Co. | 445 | | 126 | 960 | 64 | 5 | Coal prepared at Marvine Breaker. |
| 1962 | Mid Valley | No. 2 | Mine | Slope | 2 | | Lackawanna | Mid Valley Coal Co. | 1,803 | | 693 | 4,623 | 228 | 9 | Coal prepared at Pompey Breaker. |
Note 2: From a list of Anthracite Operators. This may not be the operation location.