Burt, William Austin, 1792-1858, Searles, Zelotes B. (1847). 47N 39W - Survey Map of Haight Township, Ontonagon County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_b28cbd8d-b9fb-43b5-a4ac-f11d248a3896 (map)