| 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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| Conaboy | | Colliery | | 6 | Olyphant 1 | Lackawanna | Conaboy Coal Co. | 4,800 | | 0 | 4,800 | 42 | 70 | Formerly known as Marshwood. Coal prepared by Flagg Coal Co., Moosic. | | Dunmore | | Colliery | Shaft 1 | 6 | Dunmore | Lackawanna | Dunmore Anthracite Coal Co. | 713 | | 0 | 713 | 175 | 9 | | | Johnson | | Colliery | | 6 | Dickson City 1 | Lackawanna | Penn Anthracite Mining Co. | 212,823 | | 0 | 226,251 | 296 | 496 | | | Keystone | | Mine | | 6 | | Lackawanna | Wilson Coal Co. | 34,644 | | 0 | 34,644 | 246 | 81 | Formerly part of Lackawanna Colliery. | | Lackawanna | | Colliery | | 6 | Olyphant 1 | Lackawanna | Lackawanna Coal Co., Limited | 154,025 | | 0 | 159,576 | 113 | 382 | | | Meadowside | | Colliery | | 6 | Dunmore 1 | Lackawanna | Meadowside Coal Co. | 75,886 | | 0 | 93,777 | 261 | 229 | | | Olyphant | | Colliery | | 6 | Olyphant 1 | Lackawanna | Hudson Coal Co. | 376,012 | | 0 | 463,719 | 122 | 1876 | | | Ontario | | Colliery | | 6 | Peckville 1 | Lackawanna | Penn Anthracite Mining Co. | 170,664 | | 0 | 177,485 | 286 | 576 | | | PCC | No. 1 | Colliery | Shaft 1 | 6 | Dunmore 1 | Lackawanna | The Pittston Co. | 594,085 | Erie 1 | 0 | 669,132 | 222 | 1319 | | | Richmond | No. 3 | Colliery | No. 3 Shaft 1 | 6 | Dickson City 1 | Lackawanna | Scranton Coal Co. | 23,909 | NYO&W 1 | 0 | 23,909 | 123 | 142 | | | Ridge Mountain | | Colliery | | 6 | | Lackawanna | Ridge Mountain Coal Co. | 20 | | 0 | 20 | 3 | 12 | | | Spencer | | Colliery | | 6 | Dunmore 1 | Lackawanna | Spencer Coal Co. | 44,787 | | 0 | 72,789 | 207 | 223 | | | Throop Washery | | Washery | | 6 | Throop 1 | Lackawanna | Lackawanna Valley Fuel Co. | 0 | | 0 | 0 | 179 | 25 | | | Underwood | | Colliery | | 6 | Olyphant 1 | Lackawanna | The Pittston Co. | 729,491 | | 0 | 775,702 | 200 | 1554 | |
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