| 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 |
|---|
| 1889 | Langcliffe | | Colliery | Shaft | 2 | Avoca | Luzerne | Langcliffe Coal Co. | 7,419 | | 0 | 7,822 | 25 | 162 | |
| 1890 | Langcliffe | | Colliery | Shaft | 2 | Avoca | Luzerne | Langcliffe Coal Co. | 95,147 | | 0 | 99,363 | 197 | 298 | |
| 1891 | Langcliffe | | Colliery | Shaft | 3 | Avoca | Luzerne | Langcliffe Coal Co. | 166,615 | | 0 | 172,059 | 239 | 438 | |
| 1892 | Langcliffe | | Colliery | Shaft | 3 | Avoca | Luzerne | Langcliffe Coal Co. | 79,534 | | 0 | 83,445 | 139 | 369 | |
| 1893 | Langcliffe | | Colliery | Shaft | 3 | Avoca | Luzerne | Langcliffe Coal Co. | 100,020 | | 0 | 105,081 | 194 | 409 | |
| 1894 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co. | 114,980 | | 0 | 121,314 | 192 | 410 | |
| 1895 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co., Limited | 86,884 | | 0 | 92,020 | 170 | 363 | |
| 1896 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co., Limited | 79,076 | | 0 | 83,432 | 133 | 373 | |
| 1897 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co., Limited | 88,677 | | 0 | 93,378 | 148 | 359 | |
| 1898 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co., Limited | 87,770 | D&H | 0 | 92,426 | 136 | 357 | |
| 1899 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co., Limited | 115,631 | | 0 | 122,579 | 182 | 340 | |
| 1900 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Langcliffe Coal Co. | 114,009 | D&H / E&WV / LV | 0 | 120,718 | 170 | 348 | |
| 1901 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca | Luzerne | Delaware & Hudson Canal Co. | 119,389 | D&H | 0 | 125,204 | 153 | 385 | |
| 1902 | Langcliffe | | Colliery | Shaft / Tunnel | 3 | Avoca 1 | Luzerne | Hudson Coal Co. | 39,629 | D&H | 0 | 44,087 | 79 | 318 | |
| 1903 | Langcliffe | | Colliery | Shaft | 6 | Avoca 1 | Luzerne | Delaware & Hudson Co. | 96,411 | D&H | 0 | 105,631 | 199 | 378 | |
| 1904 | Langcliffe | | Colliery | Shaft / No. 1 Drift / No. 2 Drift | 6 | Avoca 1 | Luzerne | Delaware & Hudson Co. | 118,916 | D&H | 0 | 132,744 | 192 | 475 | |
| 1905 | Langcliffe | | Colliery | Shaft / No. 1 Drift / No. 2 Drift | 6 | Avoca 1 | Luzerne | Delaware & Hudson Co. | 100,405 | D&H | 0 | 114,481 | 151 | 403 | |
| 1906 | Langcliffe | | Colliery | Shaft / No. 1 Drift / No. 2 Drift / No. 4 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 91,598 | D&H | 0 | 106,034 | 121 | 391 | |
| 1907 | Langcliffe | | Colliery | Shaft / No. 1 Drift / No. 2 Drift / No. 4 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 93,034 | D&H | 0 | 109,972 | 133 | 298 | |
| 1908 | Langcliffe | | Colliery | No. 1 Drift / No. 2 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 102,817 | D&H | 0 | 122,118 | 154 | 367 | |
| 1909 | Langcliffe | | Colliery | Shaft / No. 1 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 66,013 | D&H | 0 | 77,490 | 104 | 343 | |
| 1910 | Langcliffe | | Colliery | No. 1 Shaft / No. 1 Slope | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 54,612 | D&H | 0 | 68,215 | 92 | 294 | |
| 1911 | Langcliffe | | Colliery | Shaft / Slope | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 84,348 | D&H | 0 | 96,105 | 125 | 291 | |
| 1912 | Langcliffe | | Colliery | Langcliffe Shaft / No. 1 Slope / No. 2 Drift (new mine) / No. 3 Drift (new mine) / Moosic Shaft (new mine) | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 62,727 | D&H | 0 | 74,016 | 101 | 261 | |
| 1913 | Langcliffe | | Colliery | Langcliffe Shaft / Moosic Shaft / No. 1 Slope / No. 2 Drift / No. 3 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 89,061 | D&H | 0 | 100,487 | 144 | 271 | |
| 1914 | Langcliffe | | Colliery | Langcliffe Shaft / Moosic Shaft / No. 1 Slope / No. 2 Drift / No. 3 Drift | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 103,331 | D&H | 0 | 117,070 | 157 | 293 | |
| 1915 | Langcliffe | | Colliery | No. 1 Shaft / No. 1 Slope (abandoned) / No. 2 Drift (abandoned) / No. 3 Drift (abandoned) / Moosic Shaft | 5 | Avoca 1 | Luzerne | Hudson Coal Co. | 131,590 | D&H | 0 | 147,241 | 181 | 335 | |
| 1916 | Langcliffe | | Colliery | No. 1 Shaft / Moosic Shaft | 7 | Avoca 1 | Luzerne | Hudson Coal Co. | 188,055 | D&H | 0 | 204,017 | 273 | 543 | |
| 1917 | Langcliffe | | Colliery | No. 1 Shaft / Moosic Shaft | 7 | Avoca 1 | Luzerne | Delaware & Hudson Co. | 208,352 | D&H | 0 | 223,024 | 252 | 650 | |
| 1918 | Langcliffe | | Colliery | Langcliffe Shaft / Moosic Shaft | 7 | Avoca 1 | Luzerne | Hudson Coal Co. | 156,903 | D&H | 0 | 171,546 | 253 | 553 | |
| 1918 | Langcliffe | | Washery | | 7 | Avoca 1 | Luzerne | Hudson Coal Co. | 378 | D&H | 0 | 378 | | | |
| 1919 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Hudson Coal Co. | 155,914 | D&H | 0 | 166,523 | 278 | 426 | |
| 1920 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 216,057 | D&H | 0 | 227,321 | 289 | 490 | Formerly Langcliffe Colliery of Hudson Coal Co. |
| 1921 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 117,129 | D&H | 0 | 125,462 | 170 | 450 | |
| 1922 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 134,062 | D&H | 0 | 143,927 | 162 | 482 | |
| 1923 | Avoca | | Washery | | 7 | Avoca 1 | Luzerne | Avoca Coal Co. | 67,145 | Erie | 0 | 67,645 | 239 | 97 | |
| 1923 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Anthracite Collieries | 95,994 | D&H / Erie | 0 | 102,188 | 111 | 488 | Purchased from Suffolk Coal Co July 12, 1923. |
| 1923 | Avoca | | Colliery | Shaft 1 | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 139,170 | D&H / Erie | 0 | 145,648 | 159 | | Sold to Suffolk Anthracite Collieries July 12, 1923. |
| 1924 | Avoca | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Anthracite Collieries | 194,724 | D&H | 0 | 206,961 | 256 | 409 | |
| 1925 | Avoca | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Anthracite Collieries | 96,926 | D&H / Erie | 8,068 | 104,326 | 157 | 332 | |
| 1926 | Avoca | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Anthracite Collieries | 150,137 | D&H / Erie | 0 | 161,562 | 252 | 284 | |
| 1927 | Avoca | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Anthracite Collieries | 242,800 | D&H / Erie | 0 | 254,902 | 296 | 298 | |
| 1928 | Avoca | | Colliery | | 7 | Avoca 1 | Luzerne | Langcliffe Collieries Co. | 117,377 | D&H / Erie | 0 | 126,224 | 116 | 273 | |
| 1929 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Langcliffe Collieries Co. | 49,431 | D&H / Erie | 0 | 60,443 | 136 | 243 | |
| 1930 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Cardova Mining Co. | 57,852 | D&H / Erie | 0 | 69,831 | 198 | 166 | |
| 1931 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Rendham Coal Co. | 36,871 | | 0 | 49,871 | 219 | 167 | |
| 1932 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 28,853 | | 896 | 36,514 | 38 | 126 | |
| 1933 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 41,284 | | 10,546 | 51,980 | 267 | 90 | Coal prepared at Gibbons Breaker, 5th District. |
| 1934 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Suffolk Coal Co. | 34,005 | | 4,535 | 48,578 | 238 | 81 | |
| 1935 | Langcliffe | | Mine | | 7 | Avoca 1 | Luzerne | Langcliffe Collieries Co. | 12,082 | | 875 | 13,672 | 28 | 33 | |
| 1936 | Langcliffe | | Mine | | 7 | Avoca 1 | Luzerne | Langcliffe Collieries Co. | 28,900 | | 0 | 28,900 | 162 | 24 | |
| 1937 | Langcliffe | | Mine | | 7 | Avoca 1 | Luzerne | Langcliffe Collieries Co. | 42,616 | | 0 | 42,616 | 226 | 62 | |
| 1940 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Langcliffe Coal Co. | 0 | | 0 | 0 | 24 | 22 | Preparation only. |
| 1941 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Langcliffe Coal Co. | 0 | | 0 | 0 | 131 | 22 | |
| 1942 | Langcliffe | | Colliery | | 7 | Avoca 1 | Luzerne | Aero Coal Co. | 0 | | 0 | 0 | 31 | 22 | Preparation only. |
| 1962 | Avoca | | Bank | | 11 | Avoca 1 | Luzerne | Popple Coal Sales | 0 | | 0 | 28,832 | 112 | 2 | Bank coal sold "as is" to local power companies. |
| 1968 | Avoca | | Cleaning Plant | | 5 | Avoca 1 | Luzerne | Perry Coal Sales Co. | 0 | | 0 | 0 | 213 | 3 | |
| 1969 | Avoca | | Bank | | 5 | Avoca 1 | Lackawanna | Perry Coal Sales Co. | 192 | | 394 | 2,925 | 261 | 1 | Coal prepared at Waddell, Ace and Harry E. breakers and Avoca Cleaning Plant. |
| 1969 | Avoca | | Cleaning Plant | | 5 | Avoca 1 | Luzerne | Perry Coal Sales Co. | 0 | | 0 | 0 | 261 | 3 | |
| 1970 | Avoca | | Cleaning Plant | | 5 | Avoca 1 | Luzerne | Perry Coal Sales Co. | 0 | | 0 | 0 | 268 | 3 | |
Note 1: Added, does not appear in the mine inspection report.
