| 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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| 1893 | Mountain Lake | | Colliery | Drift 1 | 2 | Scranton | Lackawanna | Mountain Lake Land & Coal Co., Limited | 0 | | 0 | 3,200 | 100 | 6 | | | 1895 | Mountain Lake | | Colliery | Drift 1 | 2 | Scranton | Lackawanna | Mountain Lake Land & Coal Co., Limited | 0 | | 0 | 1,805 | | 9 | | | 1902 | Mountain Lake | | Colliery | Drift | 2 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 0 | | 0 | 2,538 | 68 | 18 | | | 1903 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 0 | | 0 | 4,250 | 229 | 20 | | | 1904 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 1,810 | | 0 | 3,540 | 180 | 18 | | | 1905 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 1,785 | | 0 | 3,495 | 186 | 19 | | | 1906 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 1,428 | | 0 | 3,603 | 179 | 19 | | | 1907 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 0 | | 0 | 3,580 | | 22 | | | 1908 | Mountain Lake | | Colliery | Drift | 3 | Scranton 1 | Lackawanna | Mountain Lake Coal Co. | 0 | | 0 | 3,400 | 146 | 17 | |
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