Burt, William Austin, 1792-1858, Houghton, Douglass, 1809-1845 (1844). 46N 25W - Survey Map of Sands Township, Marquette County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_ec5aab4c-1429-47a6-8f70-1a9724e53cbe (map)