| 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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| 1891 | Ontario | | Colliery | Shaft | 2 | Blakely Borough | Lackawanna | New York & Scranton Coal Co. | 57,537 | | 0 | 68,087 | 223 | 314 | | | 1892 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Scranton Coal Co. | 169,480 | | 0 | 177,970 | 239 | 395 | | | 1893 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Scranton Coal Co. | 200,163 | | 0 | 209,086 | 223 | 507 | | | 1894 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Scranton Coal Co. | 33,719 | | 0 | 37,606 | 190 | 64 | | | 1895 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Scranton Coal Co. | 165,701 | | 0 | 173,395 | 168 | 447 | | | 1898 | Ontario | | Colliery | | 1 | Peckville 1 | Lackawanna | New York & Scranton Coal Co. | 158,014 | NYO&W | 0 | 175,586 | 156 | 665 | | | 1899 | Blue Ridge | | Colliery | | 1 | Archbald | Lackawanna | New York & Scranton Coal Co. | 63,730 | | 0 | 79,088 | 89 | 459 | | | 1899 | Ontario | | Colliery | | 1 | Peckville 1 | Lackawanna | New York & Scranton Coal Co. | 241,954 | NYO&W | 0 | 260,927 | 247 | 586 | |
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