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    Carboniferous - Walden sandstone; Lookout sandstone; Bangor sandstone; Fort Payne chert (1)
    Devonian - Chattanooga black shale (1)
    Geology -- United States --Maps (1)
    Geology--Tennessee--Maps (1)
    Silurian - Rockwood formation; Chickamauga limestone; Knox dolomite (1)