Burt, William Austin, 1792-1858, Burton, John W. (John Wear), 1915-2010 (1846). 45N 28W - Survey Map of Ely Township, Marquette County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_2a56da7b-3787-44a0-9d99-079c81f54440 (map)