Visitors often mistake the dark, tea-colored water of Northwoods rivers for being dirty. It isn't pollution; it's tannins. Much of the Northwoods is covered in peat bogs, tamarack swamps, and pine forests.
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Visitors often mistake the dark, tea-colored water of Northwoods rivers for being dirty. It isn't pollution; it's tannins. Much of the Northwoods is covered in peat bogs, tamarack swamps, and pine forests.