Mellen, HarveyMullett, John, 1786-1862A survey map of Koehler Township in Cheboygan County, Michigan, measured between 1840 and 1855.JPEG20005d760be2-3461-4e6f-8348-564477307c26MI-T035N-R002WengDepartment of Natural Resources8888-003Public35N 02W - Survey Map of Koehler Township, Cheboygan County [Michigan]MapsMichigan--CheboyganT035N-R002W1840