Burt, William Austin, 1792-1858, Searles, Zelotes B. (1841). 45N 20W - Survey Map of Au Train Township, Alger County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_6c6ae880-0f05-489b-8030-84e2d6f77a9f (map)