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Allerton Natural Area
Allerton Natural Area
Allerton Natural Area provides an example of the rapidly disappearing Illinois stream valley ecosystem. The site contains relatively undisturbed examples of bottomland and upland forests.
Location: Piatt County, IL
Year designated: 1970
Acres: 1,112
Ownership: State
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Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012
