For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Green Ash-Overcup Oak-Sweetgum Research Natural Areas
Green Ash, Overcup Oak, and Sweetgum Research Natural Areas are located within the Delta National Forest, in the Mississippi River delta region. They consist of three noncontiguous remnants of very rare virgin bottomland hardwood forest. Some of the oldest sweetgum stands are 250 to 300 years old.
Location: Sharkey County, MS
Year designated: 1976
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