Risdon, Orange, 1786-1876 (1847). 35N 13W - Survey Map of North and South Fox Islands, Leelanau Township, Leelanau County [Michigan]. Department of Natural Resources. https://michigan.access.preservica.com/uncategorized/IO_7a7ce393-42db-4a6b-bd55-54dfdbd54ee4 (map)