Cannon, George Henry, 1826- (1853). 17N 09E to 19N 09E - Survey Map of islands in Saginaw Bay, page 4, 18N 09E [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_dfb5c74b-718f-4abd-bfed-a16f13348866 (map)