Brookfield, William (Surveyor)A survey map of Pokagon Township in Cass County, Michigan, drawn in April 1828.JPEG20007846d4e6-e4a7-44b3-991f-8856173264d9MI-T006S-R016WengDepartment of Natural Resources8888-003Public06S 16W - Survey Map of Pokagon Township, Cass County [Michigan]MapsMichigan--CassT006S-R016W1828