Burt, William Austin, 1792-1858, Mullett, John, 1786-1862 (1840). 34N 02W - Survey Map of Ellis Township, Cheboygan County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_beca0a51-7bcb-46ae-bc5d-ece9eaeca921 (map)