| 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 |
|---|
| 1902 | Plymouth | | Washery | | 4 | Plymouth 1 | Luzerne | Delaware & Hudson Canal Co. | 26,418 | D&H | 0 | 26,418 | 97 | | |
| 1903 | Plymouth | | Washery | | 8 | Plymouth 1 | Luzerne | North American Coal Co. | 307,654 | CNJ | 0 | 316,778 | 266 | 56 | |
| 1904 | Plymouth | | Washery | | 8 | Plymouth 1 | Luzerne | North American Coal Co. | 287,646 | CNJ | 0 | 305,847 | 247 | 75 | |
| 1905 | Plymouth | | Washery | | 8 | Plymouth 1 | Luzerne | North American Coal Co. | 275,437 | CNJ | 0 | 294,850 | 267 | 68 | |
| 1906 | Plymouth | | Washery | | 9 | Plymouth 1 | Luzerne | Delaware & Hudson Co. | 9,215 | D&H | 0 | 9,215 | 27 | | Included with employees for Plymouth No. 2 Colliery. |
| 1906 | Plymouth | | Washery | | 9 | Plymouth 1 | Luzerne | North American Coal Co. | 181,123 | CNJ | 0 | 199,641 | 235 | 60 | |
| 1907 | Plymouth | | Washery | | 9 | Plymouth 1 | Luzerne | North American Coal Co. | 60,375 | CNJ | 0 | 71,296 | | 56 | |
| 1917 | Plymouth | | Washery | | 12 | Plymouth 1 | Luzerne | Plymouth Co., Inc. | 79,220 | CNJ / DL&W | 0 | 80,000 | 283 | 49 | |
| 1918 | Plymouth | | Washery | | 12 | Plymouth 1 | Luzerne | Plymouth Co., Inc. | 65,168 | CNJ | 0 | 65,228 | 250 | 44 | |
| 1920 | Inner-City | | Washery | | 12 | Plymouth 1 | Luzerne | Inner-City Fuel Co. | 62,000 | CNJ | 0 | 62,222 | 263 | 45 | Formerly Plymouth Company. |
| 1921 | Inner-City | | Washery | | 12 | Plymouth 1 | Luzerne | Inner-City Fuel Co. | 7,625 | CNJ | 0 | 8,052 | 55 | 44 | |
| 1922 | Plymouth | | Washery | | 12 | Plymouth 1 | Luzerne | Cullen Fuel Co, Ltd. | 26,195 | CNJ / DL&W | 0 | 26,745 | 118 | 36 | |
| 1923 | Plymouth | | Washery | | 12 | Plymouth 1 | Luzerne | Cullen Fuel Co, Ltd. | 40,289 | CNJ / DL&W | 0 | 40,544 | 196 | 42 | |
| 1929 | Plymouth | | Colliery | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 5,000 | D&H | 0 | 7,000 | 268 | 18 | |
| 1930 | Plymouth | | Colliery | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 6,000 | D&H | 0 | 15,754 | 243 | 15 | |
| 1931 | Plymouth | | Colliery | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 6,500 | | 0 | 7,400 | 225 | 15 | |
| 1932 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 8,422 | | 0 | 9,080 | 229 | 16 | |
| 1933 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 8,391 | | 0 | 11,355 | 225 | 17 | |
| 1934 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 7,147 | | 0 | 8,944 | 226 | 21 | |
| 1934 | Plymouth | | Colliery | Red Ash | 12 | Plymouth 1 | Luzerne | Shawnee Red Ash Coal Co. | 18,395 | | 0 | 26,581 | 273 | 111 | |
| 1935 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 5,730 | | 0 | 8,667 | 180 | 23 | |
| 1936 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 3,180 | | 0 | 3,885 | 180 | 20 | |
| 1937 | Plymouth | | Colliery | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 0 | | 0 | 0 | 168 | 18 | |
| 1938 | Plymouth | | Mine | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 0 | | 0 | 21,365 | 258 | 11 | Run of mine coal prepared at Nottingham. |
| 1939 | Plymouth | | Colliery | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 0 | | 0 | 8,770 | 150 | 19 | Coal shipped run of mine to Nottingham Breaker. Prepared at Lance Breaker. |
| 1939 | Plymouth | | Stripping | | 12 | Plymouth 1 | Luzerne | Plymouth Mining Co. | 0 | | 0 | 12,398 | 150 | 10 | Coal shipped run of mine to Nottingham Breaker. Prepared at Lance Breaker. |
Note 1: Added, does not appear in the mine inspection report.
