Burt, William Austin, 1792-1858, Hill, S. W. (Samuel Worth), 1815-1889, Houghton, Douglass, 1809-1845 (1845). 59N 29W - Survey Map of Eagle Harbor Township, Keweenaw County, page 1 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_de6eeb58-8b2f-4fdc-ac37-23def41e4190 (map)