| 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 | Spring Brook | | Washery | | 7 | Moosic 1 | Lackawanna | Flagg Coal Co. | 12,327 | | 0 | 13,728 | 74 | 46 | | | 1930 | Spring Brook | | Washery | | 7 | Moosic 1 | Lackawanna | Flagg Coal Co. | 56,105 | | 0 | 57,885 | 300 | 30 | | | 1931 | Spring Brook | | Washery | | 7 | Moosic 1 | Lackawanna | Flagg Coal Co. | 70,104 | | 0 | 71,683 | 268 | 35 | | | 1932 | Spring Brook | | Washery | | 7 | Moosic 1 | Lackawanna | Flagg Coal Co. | 39,496 | | 0 | 41,000 | 258 | 36 | Coal reclaimed from banks. | | 1933 | Spring Brook | | Washery | | 7 | Moosic 1 | Lackawanna | Flagg Coal Co. | 7,340 | | 0 | 7,940 | 68 | | |
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