| 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 | Nay Aug | | Colliery | Slope / Drift | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 38,310 | | 0 | 39,810 | 161 | 131 | |
| 1896 | Nay Aug | | Colliery | Slope / Drift | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 47,826 | | 0 | 49,326 | 140 | 120 | |
| 1897 | Nay Aug | | Colliery | Slope | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 71,424 | | 0 | 73,424 | 143 | 151 | |
| 1898 | Nay Aug | | Colliery | Slope | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 89,892 | E&WV | 0 | 89,892 | 107 | 164 | |
| 1899 | Nay Aug | | Colliery | Slope | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 38,967 | | 0 | 77,973 | 134 | 145 | |
| 1899 | Nay Aug | | Washery | | 2 | Dunmore | Lackawanna | Nay Aug Coal Co. | 36,399 | | 0 | 0 | | | |
| 1900 | Nay Aug | | Colliery | Slope | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 37,095 | DL&W | 0 | 98,592 | 149 | 139 | |
| 1900 | Nay Aug | | Washery | | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 58,744 | DL&W | 0 | 98,592 | 213 | | Employees included in Nay Aug Breaker. |
| 1901 | Nay Aug | | Colliery | Slope | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 30,460 | DL&W | 0 | 32,648 | 111 | 116 | |
| 1901 | Nay Aug | | Washery | | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 23,758 | DL&W | 0 | 23,758 | 178 | | |
| 1902 | Nay Aug | | Colliery | Slope | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 19,071 | DL&W | 0 | 19,151 | 74 | 113 | |
| 1902 | Nay Aug | | Washery | | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 24,205 | DL&W | 0 | 25,809 | 75 | | Employees included in Nay Aug Colliery. |
| 1903 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 32,178 | DL&W | 0 | 34,340 | 113 | 63 | |
| 1903 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 17,811 | DL&W | 0 | 17,816 | 102 | | Employees included in Nay Aug Slope. |
| 1904 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 18,764 | DL&W | 0 | 21,018 | 82 | 32 | |
| 1904 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 27,312 | DL&W | 0 | 27,312 | 116 | 38 | |
| 1905 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 10,969 | Erie | 0 | 13,403 | 45 | 63 | |
| 1905 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 24,851 | Erie | 0 | 24,851 | 136 | | Included with employees for Nay Aug Slope. |
| 1906 | Nay Aug | | Colliery | Tunnel | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 9,404 | Erie | 0 | 9,536 | 40 | 22 | |
| 1906 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 21,875 | Erie | 0 | 24,295 | 152 | 27 | |
| 1907 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 3,797 | Erie | 0 | 3,831 | 60 | 17 | |
| 1907 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 8,454 | Erie | 0 | 9,260 | | 10 | |
| 1908 | Nay Aug | No. 1 | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 21,785 | Erie | 0 | 21,785 | 97 | 160 | |
| 1908 | Nay Aug | No. 2 | Colliery | Drift | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 5,777 | Erie | 0 | 13,705 | 149 | 56 | |
| 1909 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 27,194 | Erie | 0 | 37,973 | 203 | 252 | |
| 1910 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 19,793 | Erie | 0 | 19,953 | 91 | 230 | |
| 1911 | Nay Aug | | Colliery | Slope | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 78,142 | Erie | 0 | 81,392 | 198 | 276 | |
| 1912 | Nay Aug | | Colliery | No. 1 Slope / Nay Aug Drift / No. 3 Drift | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 94,861 | Erie | 0 | 98,361 | 263 | 240 | |
| 1913 | Nay Aug | | Colliery | No. 1 Slope / Nay Aug Drift / No. 3 Drift | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 75,609 | Erie | 0 | 80,990 | 293 | 226 | |
| 1914 | Nay Aug | | Colliery | No. 1 Slope / Nay Aug Drift / No. 3 Drift | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 71,435 | Erie | 0 | 74,903 | 277 | 214 | |
| 1915 | Nay Aug | | Colliery | No. 1 Slope / Nay Aug Drift / No. 3 Drift | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 80,896 | Erie | 0 | 84,692 | 304 | 200 | |
| 1916 | Nay Aug | | Colliery | No. 1 Slope / Nay Aug Drift / No. 3 Drift | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 77,724 | Erie | 0 | 81,635 | 303 | 185 | |
| 1917 | Nay Aug | | Colliery | No. 1 Slope / No. 2 Slope / No. 3 Drift | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 83,889 | Erie | 0 | 87,117 | 232 | 181 | |
| 1918 | Nay Aug | | Colliery | No. 1 Slope / No. 2 Slope / No. 3 Slope | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 95,021 | Erie | 0 | 96,008 | 306 | 146 | |
| 1919 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 66,000 | Erie | 0 | 67,053 | 273 | 153 | |
| 1920 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 59,803 | Erie | 0 | 60,671 | 267 | 164 | |
| 1921 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 37,323 | Erie | 0 | 38,073 | 198 | 157 | |
| 1922 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 23,109 | Erie | 0 | 24,100 | 115 | 156 | |
| 1923 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 49,016 | Erie | 0 | 50,472 | 285 | 156 | |
| 1924 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Mining Co. | 52,958 | Erie | 0 | 54,790 | 298 | 139 | |
| 1925 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Mining Co. | 9,661 | Erie | 0 | 10,245 | 78 | 77 | |
| 1926 | Nay Aug | | Colliery | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Mining Co. | 17,007 | Erie | 0 | 18,531 | 160 | 112 | |
| 1943 | Nay Aug | | Bank | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 92,474 | | 0 | 92,474 | 208 | 13 | |
| 1944 | Nay Aug | | Bank | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 110,141 | | 0 | 110,141 | 254 | 14 | |
| 1945 | Nay Aug | | Bank | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 187,884 | | 0 | 187,884 | 293 | 24 | |
| 1946 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 103,409 | | 0 | 103,409 | 189 | 2 | Bank coal. |
| 1947 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 31,560 | | 0 | 31,560 | 194 | 22 | Bank recovery. |
| 1948 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 13,562 | | 0 | 13,562 | 268 | 22 | Bank coal. |
| 1949 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 5,220 | | 0 | 5,220 | 244 | 22 | Discontinued operation in April. Bank coal. |
| 1950 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 72,000 | | 0 | 72,000 | 252 | 25 | Bank coal. |
| 1951 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 56,780 | | 0 | 56,780 | 157 | 30 | Bank coal. |
| 1952 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 70,600 | | 0 | 70,600 | 159 | 25 | Bank coal. |
| 1953 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 35,787 | | 0 | 35,787 | 175 | 24 | Bank coal. |
| 1954 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 22,080 | | 0 | 22,080 | 174 | 24 | Bank coal. |
| 1954 | Nay Aug | | Bank | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 16,131 | | 0 | 16,131 | 200 | 6 | Coal prepared at Nay Aug Washery. |
| 1955 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 11,450 | | 0 | 11,450 | 112 | 9 | Bank coal. |
| 1955 | Nay Aug | | Bank | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 9,072 | | 0 | 112 | 6 | 0 | Coal prepared at Nay Aug Breaker. |
| 1956 | Nay Aug | | Bank | | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 1,950 | | 0 | 1,950 | 41 | 4 | Operated in November and December only. Coal prepared at Nay Aug Breaker. |
| 1956 | Nay Aug | | Breaker | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 13,600 | | 0 | 13,600 | 136 | 15 | Bank coal. |
| 1956 | Nay Aug | | Bank | | 6 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 4,814 | | 0 | 4,814 | 136 | 8 | Coal prepared at Nay Aug Breaker. |
| 1957 | Nay Aug | | Bank | | 2 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 2,860 | | 0 | 2,860 | 23 | 8 | Operated in February and May only. Coal prepared at Nay Aug Washery. |
| 1957 | Nay Aug | | Washery | | 3 | Dunmore 1 | Lackawanna | Nay Aug Coal Co. | 32,779 | | 0 | 32,779 | 223 | 18 | Bank coal. |
| 1958 | Dunmore Plant | | Washery | | 3 | Dunmore | Lackawanna | Appalachian Coal Co. | 6,440 | | 2,113 | 8,553 | 90 | 16 | 1,000 tons sold to PP&L unprepared. |
| 1959 | Dunmore Plant | No. 1 | Washery | | 3 | Dunmore | Lackawanna | Appalachian Coal Co. | 0 | | 0 | 0 | 60 | 9 | |
| 1960 | Dunmore Plant | No. 1 | Washery | | 3 | Dunmore | Lackawanna | Wyoming Co. | 0 | | 0 | 0 | 175 | 8 | Coal prepared at Marvine and Pompey breakers. 9,293 tons sold unprepared to Olyphant Power Plant. |
| 1961 | No. 1 | | Washery | | 3 | Dunmore 1 | Lackawanna | Wyoming Co. | 0 | | 0 | 0 | 154 | 6 | Coal prepared at Marvine and Pompey breakers. 9,293 tons sold unprepared to Olyphant Power Plant. |
| 1962 | No. 1 | | Washery | | 3 | Dunmore 1 | Lackawanna | Wyoming Co. | 0 | | 0 | 0 | 166 | 7 | Coal prepared at Marvine and Pompey breakers. 9,293 tons sold unprepared to Olyphant Power Plant. |
| 1963 | No. 1 | | Washery | | 3 | Dunmore 1 | Lackawanna | Wyoming Co. | 0 | | 0 | 0 | 82 | 4 | |
Note 1: Added, does not appear in the mine inspection report.
