Burt, Wells, Burt, William Austin, 1792-1858, Burton, John W. (John Wear), 1915-2010 (1846). 48N 31W - Survey Map of Spurr Township, Baraga County, Page 3 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_97713fe6-f0bc-49e0-bd83-57ecb76e2be9 (map)