For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Lake Agassiz Peatlands Natural Area
Lake Agassiz Peatlands Natural Area is an example of the extensive peatlands occupying the bed of ancient glacial Lake Agassiz, illustrating the process of peat accumulation over about 11,000 years. The site contains Myrtle Lake Bog, which developed contrary to the usual successional process of lake filling, and is an excellent example of both raised and string bogs.
Location: Koochiching County, MN
Year designated: 1965
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