| 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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| 1905 | East Mountain | | Colliery | Drift | 2 | | Lackawanna | East Mountain Coal Co. | 0 | | 0 | 2,545 | 160 | 26 | | | 1906 | East Mountain | | Colliery | Drift | 1 | | Lackawanna | East Mountain Coal Co. | 0 | | 0 | 1,023 | 47 | 32 | | | 1914 | East Mountain | | Colliery | Drift | 4 | | Lackawanna | East Mountain Coal Co. | 702 | Erie | 0 | 702 | 54 | 24 | New operation. | | 1915 | East Mountain | | Colliery | Drift | 4 | | Lackawanna | Sprucks Coal Co. | 2,134 | Erie | 0 | 4,056 | 70 | 32 | | | 1916 | East Mountain | | Colliery | Drift | 5 | | Lackawanna | Sprucks Coal Co. | 17,177 | Erie | 0 | 23,563 | 272 | 48 | | | 1917 | Sprucks | | Colliery | | 5 | | Lackawanna | Sprucks Coal Co. | 18,469 | Erie | 0 | 23,695 | 285 | 39 | | | 1918 | Sprucks | | Colliery | Drifts (2) | 5 | | Lackawanna | Sprucks Coal Co. | 10,168 | Erie | 0 | 14,533 | 258 | 30 | |
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