| 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. | | 1955 | Walser | | Mine | Drift | 5 | | Lackawanna | East Mountain Coal Co. | 0 | | 0 | 338 | 108 | 3 | Mine employing less than five persons. | | 1956 | Walser | | Mine | | 5 | | Lackawanna | East Mountain Coal Co. | 25 | | 0 | 25 | 10 | 3 | Mine employing less than five persons. |
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