Risdon, Orange, 1786-1876A survey map of the northern section of South Manitou Island and the southwestern section of North Manitou Island, Leland Township in Leelanau County, Michigan, measured in 1847.JPEG20001b97ce8d-d526-4fc0-803a-7ff2cc317565MI-T031N-R015WengDepartment of Natural Resources8888-003Public31N 15W - Survey Map of North and South Manitou Islands, Leland Township, Leelanau County, Page 1 [Michigan]MapsMichigan--LeelanauT031N-R015W1847