| 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 |
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| 1886 | Katydid | | Colliery | Tunnel | 2 | Moosic Twp. | Lackawanna | John M. Robertson | 14,574 | | 0 | 15,487 | 197 | 45 | | | 1887 | Katydid | | Colliery | Tunnel | 2 | Moosic Twp. | Lackawanna | John M. Robertson | 11,459 | | 0 | 13,032 | 167 | 57 | | | 1889 | Katydid | | Colliery | Slope | 2 | Moosic Twp. | Lackawanna | John M. Robertson | 18,221 | | 0 | 19,984 | 191 | 69 | | | 1890 | Katydid | | Colliery | Slope | 2 | Moosic Twp. | Lackawanna | John M. Robertson | 22,728 | | 0 | 24,514 | 187 | 78 | | | 1891 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | John M. Robertson & Co. | 23,804 | | 0 | 25,715 | 207 | 95 | | | 1892 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | John M. Robertson & Co. | 30,937 | | 0 | 32,661 | 202 | 100 | | | 1893 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | John M. Robertson & Co. | 51,054 | | 0 | 53,044 | 203 | 149 | | | 1894 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | John M. Robertson & Co. | 47,381 | | 0 | 49,426 | 157 | 144 | | | 1895 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | Robertson & Law | 46,530 | | 0 | 48,763 | 140 | 155 | | | 1896 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | Robertson & Law | 57,265 | | 0 | 59,452 | 143 | 158 | | | 1897 | Katydid | | Colliery | Tunnels | 3 | Avoca | Luzerne | John M. Robertson & Co. | 57,467 | | 0 | 59,712 | 127 | 174 | | | 1898 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | John M. Robertson & Co. | 54,132 | DL&W | 0 | 57,916 | 107 | 175 | | | 1899 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | Robertson & Law | 80,526 | | 0 | 84,572 | 114 | 181 | | | 1900 | Katydid | | Colliery | Slope | 3 | Avoca | Luzerne | Robertson & Law | 68,914 | E&WV | 0 | 73,205 | 173 | 190 | | | 1901 | Katydid | | Colliery | Tunnel / Slope | 3 | Avoca | Luzerne | Robertson & Law | 74,605 | E&WV | 0 | 78,712 | 197 | 194 | | | 1902 | Katydid | | Colliery | Slope | 3 | Avoca 1 | Luzerne | Robertson & Law | 49,649 | E&WV | 0 | 52,111 | 121 | 196 | | | 1903 | Katydid | | Colliery | Slope | 6 | Avoca 1 | Luzerne | Robertson & Law | 87,262 | E&WV | 0 | 91,890 | 220 | 212 | | | 1904 | Katydid | | Colliery | Slope | 6 | Avoca 1 | Luzerne | Robertson & Law Coal Co. | 67,553 | E&WV | 0 | 72,052 | 191 | 205 | | | 1905 | Katydid | | Colliery | No. 1 Slope / No. 2 Slope | 6 | Avoca 1 | Luzerne | Robertson & Law Coal Co. | 57,655 | Erie | 0 | 61,995 | 185 | 172 | | | 1906 | Katydid | | Colliery | Slope | 5 | Avoca 1 | Lackawanna | Robertson & Law Coal Co. | 52,895 | Erie | 0 | 59,638 | 271 | 113 | | | 1907 | Katydid | | Colliery | Slope | 5 | Avoca 1 | Lackawanna | Robertson & Law | 52,445 | Erie | 0 | 68,526 | 316 | 115 | | | 1908 | Katydid | | Colliery | Slope | 5 | Avoca 1 | Lackawanna | Robertson & Law | 18,592 | Erie | 0 | 24,959 | 132 | 101 | Abandoned |
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