Brink, John (Surveyor), Risdon, Orange, 1786-1876 (1837). 21N 12W - Survey Map of South Branch Township, Wexford County, Page 1 [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_382e20ab-1c91-484c-8e3f-c6bdaa24ed0f (map)