| 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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| 1872 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 0 | | 20 | | | 1873 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 0 | | 21 | | | 1874 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 18,718 | | 125 | | | 1875 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 77,439 | | 137 | | | 1876 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 59,230 | PCC Gravity 1 | 0 | 60,355 | 227 | 132 | | | 1877 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 53,019 | 200 | 142 | | | 1878 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 50,125 | 190 | 142 | | | 1879 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 81,318 | 288 | 145 | | | 1880 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 62,908 | 207 | 156 | | | 1881 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 76,975 | | 150 | | | 1882 | PCC | No. 12 | Colliery | No. 12 Shaft | Eastern | Pleasant Valley (Avoca) | Luzerne | Pennsylvania Coal Co. | 0 | PCC Gravity 1 | 0 | 56,805 | 208 | 138 | |
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