| 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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| 1887 | Watkins | | Colliery | | 1 | Carbondale | Lackawanna | Watkin's Son & Co. | 219 | | 0 | 472 | 8 | 74 | | | 1888 | Watkins | | Colliery | | 1 | Carbondale | Lackawanna | Carbondale Coal Co., Limited | 126,762 | | 0 | 132,444 | | 201 | | | 1889 | Watkins | | Colliery | Slope / Tunnel | 1 | Carbondale | Lackawanna | Carbondale Coal Co. | 4,280 | | 0 | 6,015 | 43 | 121 | | | 1919 | Watkins | | Washery | | 2 | | Lackawanna | Sprucks Mining Co. | 4,718 | NYO&W | 0 | 5,372 | 176 | 35 | Stripping operations. |
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