Bibliography

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Author Title [ Type(Desc)] Year
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Journal Article
Wilson IT, Potzger J.E.  1943.  Pollen study of sediments from Douglas Lake, Cheboygan County, and Middle Fish Lake, Montmorency County, Michigan. Proceedings of the Indiana Academy of Science. 52:87-92.
Wilson IT.  1945.  A study of the sediment in Douglas Lake, Cheboygan County, Michigan. Papers of the Michigan Academy of Science, Arts and Letters. 30:391-419.