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| This report is designed for data analysis. Please use the Operation reports from the first section of the main page for normal research. |
| Duffys |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1964 | Duffys | Bank | 1 | Archbald | Lackawanna | Northwest Mining Co., Inc. | 11,090 | 2,067 | 18,796 | 131 | 8 | Coal prepared at Raymond Breaker. | |||
| 1965 | Duffys | Bank | 10 | Archbald | Lackawanna | Northwest Mining Co., Inc. | 2,287 | 398 | 4,176 | 39 | 8 | Coal prepared at Raymond Breaker. |