| 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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| 1870 | Swetland | | Colliery | Shaft | Middle | near Plymouth 1 | Luzerne | Northern Coal & Iron Co. | 0 | | 0 | 0 | | 107 | | | 1871 | Plymouth | No. 4 | Colliery | Shaft 1 | Middle | near Plymouth | Luzerne | Northern Coal & Iron Co. | 0 | | 0 | 0 | | | | | 1871 | Swetland | | Colliery | Shaft | Middle | near Plymouth | Luzerne | Northern Coal & Iron Co. | 0 | | 0 | 0 | | 118 | | | 1872 | Swetland | | Colliery | Shaft 1 | Middle | Near Plymouth | Luzerne | Northern Coal & Iron Co. | 0 | | 0 | 0 | | | | | 1875 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | Not shipping coal. | | 1876 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | | | 1878 | Plymouth | No. 4 | Colliery | Shaft 1 | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 60,000 | | 0 | 63,057 | 160 | 223 | | | 1879 | Plymouth | No. 4 | Colliery | Shaft 1 | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 110,271 | | 0 | 114,126 | 210 | 244 | | | 1880 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 74,836 | 152 | 247 | | | 1881 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 101,287 | 188 | 233 | | | 1882 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 113,342 | 232 | 302 | | | 1883 | Plymouth | No. 4 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 140,831 | 223 | 316 | | | 1884 | Plymouth | No. 4 | Colliery | Shaft 1 | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 110,693 | 174 | 270 | | | 1885 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 104,822 | 159 | 320 | | | 1886 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 124,099 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 124,099 | 177 | 376 | | | 1887 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 173,801 | | 0 | 173,801 | 215 | 362 | | | 1888 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 174,812 | | 0 | 174,812 | 237 | 373 | | | 1889 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 163,182 | | 0 | 163,202 | 224 | 369 | | | 1890 | Plymouth | No. 4 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 106,560 | | 0 | 106,560 | 162 | 368 | | | 1891 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 148,512 | | 0 | 148,512 | 189 | 402 | | | 1892 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 181,076 | | 0 | 181,076 | 217 | 410 | | | 1893 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 161,167 | | 0 | 161,167 | 216 | 431 | | | 1894 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 150,851 | | 0 | 150,851 | 180 | 440 | | | 1895 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 166,096 | | 0 | 172,912 | 201 | 422 | | | 1896 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 151,923 | | 0 | 159,219 | 192 | 423 | | | 1897 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 179,647 | | 0 | 187,849 | 215 | 456 | | | 1898 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 182,808 | DL&W | 0 | 198,959 | 188 | 464 | | | 1899 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 61,015 | D&H | 0 | 69,461 | 71 | 286 | | | 1901 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H | 0 | 0 | 192 | 345 | | | 1902 | Plymouth | No. 4 | Colliery | Shaft 1 | 4 | Plymouth 1 | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H | 0 | 0 | | 342 | | | 1903 | Plymouth | No. 4 | Colliery | Shaft | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Canal Co. | 388,598 | D&H | 0 | 433,142 | 239 | 355 | Coal from Plymouth No. 5 included. | | 1904 | Plymouth | No. 4 | Colliery | Shaft | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 0 | D&H | 0 | 0 | | 348 | Coal taken from Plymouth No. 5 Breaker. | | 1905 | Plymouth | No. 4 | Colliery | Shaft | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 0 | D&H | 0 | 0 | | 297 | Coal taken to the Plymouth No. 5 Breaker. |
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