| 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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| 1929 | Glendale | | Colliery | | 1 | | Lackawanna | Seymour Coal Co. | 123,790 | D&H | 0 | 125,180 | 223 | 316 | Formerly Glendale Anthracite Collieries. | | 1930 | Glendale | | Colliery | | 1 | | Lackawanna | Seymour Coal Co. | 160,299 | D&H | 0 | 168,099 | 284 | 452 | | | 1931 | Glendale | | Colliery | | 1 | | Lackawanna | Seymour Coal Co. | 50,745 | | 0 | 55,910 | 97 | | Operated by Seymour Coal Co until May 1 and Daniels after Sep 1. Figures are estimates. |
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