| 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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| 1880 | Clark | | Colliery | Tunnel | Eastern | Scranton | Lackawanna | Clark Coal Co. | 0 | | 0 | 12,325 | 240 | 48 | | | 1887 | Clark | | Colliery | Tunnel | 1 | Scranton | Lackawanna | Clark Coal Co. | 0 | | 0 | 5,965 | 170 | 14 | | | 1889 | Clark | | Colliery | Tunnel | 1 | Scranton | Lackawanna | Clark Coal Co. | 0 | | 0 | 4,269 | 201 | 12 | | | 1899 | Clark | | Colliery | Tunnel | 1 | | Lackawanna | Clark Tunnel Co. | 4,007 | | 0 | 10,795 | 187 | 37 | | | 1900 | Clark | | Colliery | Tunnel | 1 | | Lackawanna | Clark Tunnel Coal Co. | 8,787 | NYO&W | 0 | 20,399 | 243 | 111 | | | 1901 | Clark | | Colliery | Tunnel | 1 | | Lackawanna | Clark Tunnel Coal Co. | 14,548 | NYO&W | 0 | 35,881 | 236 | 151 | | | 1902 | Clark | | Colliery | Tunnel | 1 | | Lackawanna | Clark Tunnel Coal Co. | 0 | | 0 | 0 | | | |
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