DuBois, Francis W.A survey map of an island, called Island No. 4, located in the Section 6 portion of Pine Lake in Prairieville Township, Barry County, Michigan. This survey was completed in July 1915.JPEG200029a79211-b802-44c5-8a29-8bd950459a7cMI-T001N-R010WengDepartment of Natural Resources8888-003Public01N 10W - Survey Map of Prairieville Township, Barry County, Page 6 [Michigan]MapsMichigan--BarryT001N-R010W1915