| 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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| Dolph | | Colliery | Hackley & Clark Shaft / Hannah Bell Slope | 2 | Winton 1 | Lackawanna | Dolph Coal Co., Limited | 143,994 | Erie | 0 | 171,386 | 160 | 558 | | | Eddy Creek | | Colliery | Eddy Ceek Shaft / Olyphant Shaft / No. 4 Drift / Birdeye New Country Drift / Birdeye Clark Drift | 2 | Olyphant 1 | Lackawanna | Delaware & Hudson Co. | 431,496 | D&H | 0 | 434,758 | 226 | 1111 | | | Johnson | | Colliery | No. 1 Shaft / No. 2 Shaft / No. 3 Shaft | 2 | Dickson City 1 | Lackawanna | Scranton Coal Co. | 410,468 | NYO&W | 0 | 465,700 | 228 | 1277 | | | Lackawanna | | Colliery | No. 1 Shaft / No. 4 Shaft | 2 | Olyphant 1 | Lackawanna | Lackawanna Coal Co., Limited | 438,669 | DL&W | 0 | 490,220 | 292 | 1162 | | | Leggetts Creek | | Colliery | No. 1 Shaft / No. 3 Shaft | 2 | Scranton 1 | Lackawanna | Delaware & Hudson Co. | 307,544 | D&H | 0 | 318,277 | 189 | 830 | | | Leggetts Creek | | Colliery | | 2 | Scranton 1 | Lackawanna | Delaware & Hudson Co. | 0 | D&H | 0 | 97,992 | 189 | 23 | | | Marshwood | | Colliery | Drift | 2 | Olyphant 1 | Lackawanna | Moosic Mountain Coal Co. | 158,857 | Erie | 0 | 170,138 | 225 | 433 | | | Marvine | | Colliery | Big & Diamond Vein Shafts / Dunmore & Clark Vein Shafts | 2 | Scranton | Lackawanna | Delaware & Hudson Co. | 144,852 | D&H | 0 | 170,996 | 137 | 675 | | | Mount Jessup | | Colliery | Peck's Shaft | 2 | Winton 1 | Lackawanna | Mount Jessup Coal Co. | 193,872 | D&H / DL&W / NYO&W | 0 | 221,754 | 252 | 621 | | | Olyphant | | Colliery | Grassy Island No. 1 Shaft / Grassy Island No. 2 Shaft / Grassy Island No. 1 Slope | 2 | Olyphant 1 | Lackawanna | Delaware & Hudson Co. | 533,090 | D&H | 0 | 627,905 | 239 | 1470 | | | Ontario | | Colliery | Ontario Tunnel / Klondyke Tunnel / Sturgess Shaft / Blue Ridge Shaft / Blue Ridge Drift | 2 | Peckville 1 | Lackawanna | Scranton Coal Co. | 319,938 | NYO&W | 0 | 370,411 | 241 | 1128 | | | Richmond | No. 3 | Colliery | Bryden Shaft | 2 | Dickson City 1 | Lackawanna | Scranton Coal Co. | 117,452 | NYO&W | 0 | 131,148 | 190 | 404 | | | Sterrick Creek | | Colliery | Shaft / Drift | 2 | Jessup 1 | Lackawanna | Sterrick Creek Coal Co. | 54,612 | Erie | 0 | 71,412 | 38 | 788 | | | Storrs | | Colliery | No. 1 Shaft / No. 2 Shaft / No. 3 Shaft | 2 | Dickson City 1 | Lackawanna | Delaware, Lackawanna & Western Railroad Co. | 700,859 | DL&W | 0 | 759,502 | 245 | 1600 | | | Storrs | | Washery | | 2 | Dickson City 1 | Lackawanna | Delaware, Lackawanna & Western Railroad Co. | 41,245 | DL&W | 0 | 41,245 | 60 | 8 | |
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