Shearer, Norville E., Walsh, Oscar B. (1939). 45N 19W - Survey Map of Au Train Township and Munising Townships, Alger County, page 2 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_56b87f6b-e48d-439f-ade7-c4a7366b8eb9 (map)