Clark, Robert Jr.Risdon, Orange, 1786-1876A survey map of Sumner Township in Gratiot County, Michigan. The township lines were measured in 1831; the subdivision lines were surveyed in 1832.JPEG2000703459db-7c72-41a8-aa04-6ea49db0bff3MI-T011N-R004WengDepartment of Natural Resources8888-003Public11N 04W - Survey Map of Sumner Township, Gratiot County [Michigan]MapsMichigan--GratiotT011N-R004W1831