Avery, Michael J.A dependent re-survey of the border lines of Section 15 of Denver Township in Isabella County, Michigan. This survey was conducted between May and June 1982.JPEG2000d9e74244-9921-4901-9dd7-f1b096e5eb99MI-T015N-R003WengDepartment of Natural Resources8888-003Public15N 03W - Survey Map of Denver Township, Isabella County, Page 4 [Michigan]MapsMichigan--IsabellaT015N-R003W1982