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== Summary == {{Information | Description = Map of the range of the Ivory-billed woodpecker, pre 1860 (solid black line), 1891 (hashed area) | Source = The Auk, Volume 8, No. 2 | Date = April 1891 | Author = Edwin M. Hasbrouck | Permission = Public Domain, published in the United States in 1891 | other_versions = }}
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