| 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 | Shaft | 1 | Blakely Borough | Lackawanna | New York & Susquehanna Coal Co. | 11,324 | | 0 | 16,335 | 53 | 207 | | | 1896 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Susquehanna Coal Co. | 178,062 | | 0 | 194,919 | 193 | 602 | | | 1897 | Ontario | | Colliery | | 1 | Peckville | Lackawanna | New York & Susquehanna Coal Co. | 185,936 | | 0 | 201,050 | 183 | 784 | |
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