| 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 |
|---|
| 1870 | Maffet | | Colliery | Slope | Middle | Plainesville 1 | Luzerne | Wilkes-Barre & Seneca L C Co. | 0 | | 0 | 0 | | 16 | |
| 1871 | Maffet | | Colliery | Slope | Middle | Plainesville | Luzerne | Wilkes-Barre & Seneca L C Co. | 0 | | 0 | 0 | | 54 | |
| 1883 | Maffet | | Colliery | Slope / Tunnel | Middle | Sugar Notch | Luzerne | Hanover Coal Co. | 0 | | 0 | 59,786 | 201 | 297 | |
| 1884 | Maffet | | Colliery | Shaft | Middle | Sugar Notch | Luzerne | Hanover Coal Co. | 0 | Lehigh & Susquehanna | 0 | 95,466 | 178 | 324 | |
| 1885 | Maffet | | Colliery | | 3 | Sugar Notch | Luzerne | Hanover Coal Co. | 0 | Lehigh & Susquehanna | 0 | 115,679 | 164 | 303 | |
| 1886 | Maffet | | Colliery | | 3 | Sugar Notch | Luzerne | Hanover Coal Co. | 119,643 | Lehigh & Susquehanna | 0 | 120,618 | 164 | 329 | |
| 1887 | Maffet | | Colliery | | 3 | Sugar Notch | Luzerne | Hanover Coal Co. | 133,068 | | 0 | 136,658 | 206 | 360 | |
| 1888 | Maffet | | Colliery | | 3 | Sugar Notch | Luzerne | Hanover Coal Co. | 152,339 | | 0 | 153,638 | 233 | 332 | |
| 1889 | Maffet | | Colliery | | 3 | Sugar Notch | Luzerne | Hanover Coal Co. | 153,890 | | 0 | 154,574 | 210 | 349 | |
| 1890 | Maffet | | Colliery | | 3 | Hanover Twp. | Luzerne | Hanover Coal Co. | 131,198 | | 0 | 131,910 | 177 | 351 | |
| 1891 | Maffet | | Colliery | | 4 | Sugar Notch | Luzerne | Hanover Coal Co. | 137,044 | | 0 | 137,865 | 185 | 270 | |
| 1892 | Maffet | | Colliery | | 4 | Sugar Notch | Luzerne | Hanover Coal Co. | 110,376 | | 0 | 111,116 | 166 | 315 | |
| 1893 | Maffet | | Colliery | | 4 | Sugar Notch | Luzerne | Hanover Coal Co. | 97,557 | | 0 | 98,288 | 175 | 260 | |
| 1894 | Maffet | | Colliery | | 4 | Sugar Notch | Luzerne | Hanover Coal Co. | 66,442 | | 0 | 67,116 | 148 | 224 | |
| 1895 | Maffet | | Colliery | | 4 | Sugar Notch | Luzerne | Hanover Coal Co. | 20,537 | | 0 | 21,287 | 49 | 224 | |
| 1963 | Maffet | | Stripping | | 13 | Sugar Notch | Luzerne | Glen Alden Corporation | 6,532 | | 1,185 | 10,576 | 123 | 5 | Coal prepared at Huber and Loree breakers. |
| 1964 | Maffet | | Stripping | | 13 | Sugar Notch | Luzerne | Glen Alden Corporation | 44,719 | | 5,125 | 66,816 | 291 | 4 | Coal prepared at Huber and Loree breakers. |
| 1965 | Maffet | 30-15R2A4 | Stripping | | 1 | Sugar Notch | Luzerne | Glen Alden Corporation | 19,299 | | 3,025 | 34,756 | 259 | 3 | Coal prepared at Huber and Loree breakers. |
| 1966 | Maffet | 30-15R2A4 | Stripping | | 1 | Sugar Notch | Luzerne | Blue Coal Corporation | 9,632 | | 2,937 | 18,065 | 151 | 0 | Coal prepared at Huber and Loree breakers. |
Note 1: Added, does not appear in the mine inspection report.
