| 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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| 1919 | Grassy Island | | Washery | | 6 | Olyphant 1 | Lackawanna | Staples & Bell Inc., and Dexter & Carpenter Inc. | 22,586 | D&H | 0 | 22,586 | 140 | 64 | | | 1919 | Richmondale | | Colliery | Slope 1 | 1 | Scranton 1 | Lackawanna | Staples & Bell Inc., and Dexter & Carpenter Inc. | 15,903 | NYO&W | 0 | 15,903 | 127 | 10 | | | 1920 | Oxford | | Washery | | 4 | Scranton 1 | Lackawanna | Staples & Bell Inc., and Dexter & Carpenter Inc. | 11,842 | DL&W | 0 | 18,723 | 93 | 60 | | | 1921 | Oxford | | Washery | | 4 | Scranton 1 | Lackawanna | Staples & Bell Inc., and Dexter & Carpenter Inc. | 1,456 | DL&W | 0 | 2,812 | 37 | 50 | |
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