Burt, William Austin, 1792-1858Mullett, John, 1786-1862A survey map of the central third of Corwith Township in Otsego County, Michigan, measured in 1850 and 1860.JPEG2000080781b0-c44d-4596-9b36-4ada3dd28b2aMI-T032N-R002WengDepartment of Natural Resources8888-003Public32N 02W - Survey Map of Corwith Township, Otsego County [Michigan]MapsMichigan--OtsegoT032N-R002W1850