For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Buffalo Slough provides excellent examples of a prairie pothole (a product of glacial activity) with native emergent vegetation, and a native bluestem prairie. The site is used extensively by many species of waterfowl and small mammals.
Location: Lake County, SD
Year designated: 1980
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