| 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 |
|---|
| 1895 | Ridgewood | | Colliery | Shaft / Slope | 3 | Plains Twp. | Luzerne | Keystone Coal Co. | 93,760 | | 0 | 103,074 | 129 | 312 | |
| 1896 | Ridgewood | | Colliery | Shaft / Slope | 3 | Plains Twp. | Luzerne | Keystone Coal Co. | 100,887 | | 0 | 110,567 | 128 | 374 | |
| 1897 | Ridgewood | | Colliery | Shaft / Slope | 3 | Plains Twp. | Luzerne | Keystone Coal Co. | 98,557 | | 0 | 109,201 | 123 | 381 | |
| 1898 | Ridgewood | | Colliery | Shaft / Slope | 3 | Plains Twp. | Luzerne | Keystone Coal Co. | 90,718 | CNJ | 0 | 101,575 | 155 | 324 | |
| 1899 | Ridgewood | | Colliery | Shaft | 3 | Plains Twp. | Luzerne | Keystone Coal Co. | 50,342 | | 0 | 59,265 | 112 | 221 | |
| 1900 | Ridgewood | | Colliery | Slope | 3 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 26,111 | CNJ / NYS&W | 0 | 29,506 | 58 | 316 | |
| 1901 | Ridgewood | | Colliery | Slope | 3 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 84,073 | CNJ / NYS&W | 0 | 91,208 | 186 | 330 | |
| 1902 | Ridgewood | | Colliery | Slope | 3 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 48,718 | CNJ / NYS&W | 0 | 53,136 | 114 | 337 | |
| 1903 | Ridgewood | | Colliery | Slope | 5 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 96,057 | CNJ / NYS&W | 0 | 108,713 | 248 | 353 | |
| 1904 | Ridgewood | | Colliery | Slope | 5 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 115,356 | NYS&W | 0 | 126,714 | 269 | 334 | |
| 1905 | Ridgewood | | Colliery | Slope | 5 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 125,246 | NYS&W | 0 | 137,984 | 271 | 367 | |
| 1906 | Ridgewood | | Colliery | Slope | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 98,870 | NYS&W | 0 | 109,409 | 239 | 377 | |
| 1907 | Ridgewood | | Colliery | Slope | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 117,579 | NYS&W | 0 | 128,361 | 280 | 376 | |
| 1908 | Ridgewood | | Colliery | Slope / Tunnel | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 110,938 | NYS&W | 0 | 119,973 | 259 | 306 | |
| 1909 | Ridgewood | | Colliery | Slope / Tunnel (abandoned) | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 70,215 | CNJ / NYS&W | 0 | 78,290 | 101 | 266 | |
| 1910 | Ridgewood | | Colliery | Slope | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 74,581 | CNJ / NYS&W | 0 | 84,331 | 260 | 250 | |
| 1912 | Ridgewood | | Colliery | Slope | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 16,521 | CNJ / Erie | 0 | 20,303 | 86 | 206 | |
| 1913 | Ridgewood | | Colliery | Slope / Tunnel | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 93,214 | CNJ / Erie | 0 | 104,608 | 255 | 351 | |
| 1914 | Ridgewood | | Colliery | Slope / Tunnel | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 146,275 | CNJ / Erie | 0 | 159,807 | 256 | 404 | |
| 1915 | Ridgewood | | Colliery | Shaft / Slope (3) / Drift (2) | 6 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 182,222 | CNJ / Erie | 0 | 197,535 | 248 | 491 | |
| 1916 | Ridgewood | | Colliery | Shaft | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 222,178 | CNJ / Erie | 0 | 235,633 | 281 | 509 | |
| 1917 | Ridgewood | | Colliery | No. 1 Slope | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 204,012 | CNJ / Erie | 0 | 213,450 | 269 | 475 | |
| 1918 | Ridgewood | | Colliery | No. 1 Slope / McHale Slope / No. 1 Tunnel | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 135,163 | CNJ / Erie | 0 | 139,393 | 262 | 352 | |
| 1919 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 77,099 | CNJ / Erie | 0 | 79,699 | 149 | 334 | |
| 1920 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 152,084 | NYS&W | 0 | 154,059 | 259 | 360 | |
| 1921 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 54,776 | CNJ / Erie | 0 | 56,849 | 115 | 386 | |
| 1922 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 86,918 | CNJ / NYS&W | 0 | 88,288 | 145 | 401 | |
| 1923 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 157,228 | CNJ / NYS&W | 0 | 158,766 | 258 | 410 | |
| 1924 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 5,901 | CNJ / NYS&W | 0 | 6,026 | 11 | 356 | |
| 1925 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 7,564 | CNJ / Erie | 0 | 7,958 | 34 | 236 | |
| 1926 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 57,198 | CNJ / Erie | 0 | 57,843 | 192 | 212 | |
| 1927 | Ridgewood | | Colliery | | 10 | Plains Twp. 1 | Luzerne | Traders Coal Co. | 61,997 | CNJ / Erie | 0 | 62,453 | 188 | 310 | Coal prepared at Clifford Colliery, 7th District. |
| 1937 | Ridgewood | | Colliery | | 14 | Plains Twp. 1 | Luzerne | Ridgewood Coal Co. | 1,671 | | 0 | 1,731 | 151 | 37 | |
| 1938 | Ridgewood | | Colliery | | 14 | Plains Twp. 1 | Luzerne | Ridgewood Coal Co. | 1,000 | | 0 | 1,000 | 40 | 55 | |
Note 1: Added, does not appear in the mine inspection report.
