Burt, William Austin, 1792-1858, Mullett, John, 1786-1862 (1840). 32N 05W - Survey Map of Boyne Valley Township, Charlevoix County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_050d2778-f15c-48e3-8bcd-4b55f7c21cba (map)