From List of National Natural Landmarks, these are the National Natural Landmarks in Mississippi. There are 5 in total.[1]
{{clear}}{{Mississippi NNLs map}} | Name | Image | Date | Location | County | Ownership | Description | 1 | Bienville Pines Scenic Area | 1976}} | Scott | federal | One of the largest protected old-growth loblolly pine stands in the region. Part of Bienville National Forest. |
2 | Chestnut Oak Disjunct | 1966}} | Calhoun | private | An isolated stand of chestnut oak. |
3 | Green Ash-Overcup Oak-Sweetgum Research Natural Areas | 1976}} | 32.766667|-90.783333|type:landmark|display=inline|name=Delta National Forest}} | Sharkey | federal | Three small parts of the Delta National Forest contain rare pristine tracts of bottomland hardwood trees. |
4 | Harrell Prairie Hill | 1976}} | 32.335833|-89.439722|type:landmark|display=inline|name=Harrell Prairie Botanical Area}} | Scott | federal | The most representative remnants of the Jackson Prairie. Part of Bienville National Forest. |
5 | Mississippi Petrified Forest | 1965}} | 32.52073|-90.32296|type:landmark|display=inline|name=Mississippi Petrified Forest}} | Madison | private | A relatively undisturbed accumulation of ancient fir and maple driftwood that was buried in Tertiary sands. |
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