Burt, William Austin, 1792-1858, Burton, John W. (John Wear), 1915-2010, Mellen, Harvey (1846). 46N 28W - Survey Map of Ely Township, Marquette County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_bf85576e-334d-47e4-94e8-91be4fe554cd (map)