Clason, Lewis, Mullett, James H., Mullett, John, 1786-1862 (1838). 23N 05E - Survey Map of Plainfield Township, Iosco County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_7025ec80-0b50-4249-bbc2-b35c04f3c971 (map)