Burnham, HiramParke, HerveyA survey map of Koylton Township in Tuscola County, Michigan, measured in 1834.JPEG20003be7128f-8ce7-4c50-beac-8d406312a1daMI-T011N-R011EengDepartment of Natural Resources8888-003Public11N 11E - Survey Map of Koylton Township, Tuscola County [Michigan]MapsMichigan--TuscolaT011N-R011E1834