Burt, William Austin, 1792-1858, Mullett, James H. (1840). 43N 02W - Survey Map of St. Ignace Township, Mackinac County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_bd1b2d44-b9fc-4877-bc8d-b4cf31f6f864 (map)