| 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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| 1890 | Ontario | | Colliery | | 1 | Carbondale | Lackawanna | Reese & Moser | 12,000 | | 0 | 13,490 | 120 | 102 | | | 1892 | Ontario | | Colliery | | 1 | Carbondale | Lackawanna | Stroud & Chamberlain | 23,050 | | 0 | 28,612 | 231 | 137 | |
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