Risdon, Orange, 1786-1876, Wampler, Joseph, 1783-1842 (1821). 15N 08E to 16N 08E - Survey Map of islands in Saginaw Bay and Akron Township, Tuscola County, page 1, 15N 08E [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_c0126378-84c6-456d-a340-817add418861 (map)