| 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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| 1936 | Chauncey | | Colliery | Slope 1 | 13 | Plymouth Twp. 1 | Luzerne | Chauncey Coal Co. | 3,618 | | 0 | 4,441 | 10 | | | | 1937 | Chauncey | | Colliery | Slope 1 | 13 | Plymouth Twp. 1 | Luzerne | Chauncey Coal Co. | 101,888 | | 0 | 135,780 | 255 | 257 | | | 1938 | Chauncey | | Colliery | Slope 1 | 13 | Plymouth Twp. 1 | Luzerne | Chauncey Coal Co. | 22,425 | | 0 | 34,436 | 59 | 257 | |
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