| 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 |
|---|
| 1875 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | Not shipping coal. |
| 1876 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | |
| 1878 | Plymouth | No. 3 | Colliery | Shaft 1 | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | |
| 1879 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 0 | | | |
| 1880 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 83,948 | 140 | 236 | |
| 1881 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 199,811 | 189 | 288 | |
| 1882 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 158,669 | 231 | 354 | |
| 1883 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | | 0 | 174,259 | 232 | 399 | |
| 1884 | Plymouth | No. 3 | Colliery | Shaft | Middle | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 169,123 | 198 | 425 | |
| 1885 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 0 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 193,346 | 206 | 425 | |
| 1886 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 164,838 | D&H / Lackawanna & Bloomsburg (DL&W) | 0 | 166,982 | 192 | 432 | |
| 1887 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 222,092 | | 0 | 223,939 | 264 | 42 | |
| 1888 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 227,018 | | 0 | 228,836 | 243 | 467 | |
| 1889 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 177,267 | | 0 | 178,801 | 196 | 359 | |
| 1890 | Plymouth | No. 3 | Colliery | Shaft | 3 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 180,055 | | 0 | 181,624 | 184 | 431 | |
| 1891 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 180,414 | | 0 | 181,894 | 187 | 433 | |
| 1892 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 205,335 | | 0 | 207,606 | 212 | 439 | |
| 1893 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 216,744 | | 0 | 219,044 | 222 | 453 | |
| 1894 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 166,456 | | 0 | 167,302 | 153 | 443 | |
| 1895 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 73,807 | | 0 | 78,898 | 73 | 459 | |
| 1896 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 197,533 | | 0 | 209,801 | 180 | 559 | |
| 1897 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 248,521 | | 0 | 262,110 | 209 | 564 | |
| 1898 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 188,099 | D&H | 0 | 204,488 | 152 | 514 | |
| 1899 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 192,404 | D&H | 0 | 212,571 | 146 | 521 | |
| 1900 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 164,029 | D&H | 0 | 183,773 | 128 | 518 | |
| 1901 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth | Luzerne | Delaware & Hudson Canal Co. | 175,988 | D&H | 0 | 194,738 | 165 | 544 | |
| 1902 | Plymouth | No. 3 | Colliery | Shaft 1 | 4 | Plymouth 1 | Luzerne | Delaware & Hudson Canal Co. | 134,155 | D&H | 0 | 148,037 | 129 | 591 | |
| 1903 | Plymouth | No. 3 | Colliery | Shaft (3) | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Canal Co. | 287,388 | D&H | 0 | 312,516 | 266 | 634 | |
| 1904 | Plymouth | No. 3 | Colliery | Shaft / Drift / Slope | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 212,897 | D&H | 0 | 235,099 | 196 | 651 | |
| 1905 | Plymouth | No. 3 | Colliery | Shaft / Drift / Slope | 8 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 300,312 | D&H | 0 | 326,929 | 246 | 680 | |
| 1906 | Plymouth | No. 3 | Colliery | Shaft / Drift / Slope | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 272,884 | D&H | 0 | 296,597 | 200 | 656 | |
| 1907 | Plymouth | No. 3 | Colliery | Shaft / Drift / Slope | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 371,534 | D&H | 0 | 401,172 | 248 | 780 | |
| 1908 | Plymouth | No. 3 | Colliery | Shaft / Drift | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 277,646 | D&H | 0 | 314,192 | 252 | 815 | |
| 1909 | Plymouth | No. 3 | Colliery | Shaft | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 143,311 | D&H | 0 | 165,627 | 95 | 546 | |
| 1910 | Plymouth | No. 3 | Colliery | Shaft | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 316,591 | D&H | 0 | 342,901 | 224 | 698 | |
| 1911 | Plymouth | No. 3 | Colliery | Shaft | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 425,175 | D&H | 0 | 438,793 | 266 | 818 | |
| 1911 | Plymouth | No. 3 | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 73,158 | D&H | 0 | 97,966 | 180 | | See employees for Plymouth No. 3 Colliery. |
| 1912 | Plymouth | No. 3 | Colliery | Shaft / Slope | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 385,585 | D&H | 0 | 399,561 | 218 | 831 | |
| 1912 | Plymouth | No. 3 | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 58,339 | D&H | 0 | 88,850 | 124 | | Employees included with Plymouth No. 3 Colliery. |
| 1913 | Plymouth | No. 3 | Colliery | Plymouth Shaft / No. 3 Shaft / Plymouth Slope | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 479,708 | D&H | 0 | 486,770 | 272 | 846 | |
| 1913 | Plymouth | No. 3 | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 25,294 | D&H | 0 | 66,529 | 58 | | Employees included with colliery. |
| 1914 | Plymouth | No. 3 | Colliery | Shaft (2) | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 427,944 | D&H | 0 | 434,509 | 247 | 896 | |
| 1914 | Plymouth | No. 3 | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 23,492 | D&H | 0 | 82,718 | 60 | | Data included with Plymouth No. 3 Colliery. |
| 1915 | Plymouth | No. 3 | Colliery | Shaft (2) | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 464,707 | D&H | 0 | 472,641 | 262 | 968 | |
| 1915 | Plymouth | No. 3 | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 6,377 | D&H | 0 | 90,291 | 40 | | Employees included with Plymouth No. 3 Colliery. |
| 1916 | Plymouth | No. 3 | Colliery | No. 2 Shaft / No. 3 Shaft | 12 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 363,731 | D&H | 0 | 373,656 | 224 | 1224 | |
| 1916 | Plymouth | No. 3 | Washery | | 12 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 38,965 | D&H | 0 | 121,442 | 144 | | Data included with colliery. |
| 1917 | Plymouth | No. 3 | Washery | | 12 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 168,385 | D&H | 0 | 211,794 | 335 | | Included with Plymouth No. 5 Colliery. |
| 1918 | Plymouth | No. 3 | Washery | | 12 | Plymouth 1 | Luzerne | Hudson Coal Co. | 5,701 | D&H | 0 | 35,805 | | | Included with Plymouth No. 5 Colliery. |
| 1919 | Plymouth | No. 3 | Washery | | 12 | Plymouth 1 | Luzerne | Hudson Coal Co. | 36 | D&H | 0 | 45,171 | 285 | | Data included with colliery. |
Note 1: Added, does not appear in the mine inspection report.
