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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 1872 Corey   Colliery Tunnels (2) Eastern Lackawanna Twp. Luzerne Lackawanna and Susquehanna Coal and Iron Co. 0 0 52,893   198   1873 Corey   Colliery Eastern Lackawanna Twp. Luzerne Lackawanna and Susquehanna Coal and Iron Co. 0 0 171,649   260 Coal from Greenwood included. 1874 Corey   Colliery Tunnels (5) / Slope Eastern Lackawanna Twp. Luzerne Lackawanna and Susquehanna Coal and Iron Co. 0 0 153,565   215   1875 Corey   Colliery No. 4 Tunnel / No. 8 Tunnel / No. 19 Tunnel Eastern Lackawanna Twp. Luzerne Lackawanna and Susquehanna Coal and Iron Co. 0 0 124,258   294