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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1878 | Maltby | | Colliery | Shaft 1 | Middle | near Wyoming | Luzerne | C. S. Maltby | 16,944 | | 0 | 19,947 | 38 | 245 | | 1879 | Maltby | | Colliery | Shaft | Middle | near Wyoming | Luzerne | C. S. Maltby | 68,471 | | 0 | 73,684 | 241 | 210 | | 1880 | Maltby | | Colliery | Shafts (2) | Middle | near Wyoming | Luzerne | C. S. Maltby | 0 | | 0 | 86,333 | 171 | 301 | | 1881 | Maltby | | Colliery | Shaft 1 | Middle | near Wyoming | Luzerne | C. S. Maltby | 0 | | 0 | 98,538 | 236 | 304 | |
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