Burt, Wells, Burton, John W. (John Wear), 1915-2010 (1847). 47N 40W - Survey Map of McMillan Township, Ontonagon County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_e7053f5b-75b7-48c3-bee1-c3f78545e466 (map)