DuBois, Francis W.McKinney, Francis F.A survey map detailing Yankee Springs Island in Gun Lake, located in Section 32 in Yankee Springs Township in Barry County, Michigan. This survey was completed in September 1914.JPEG2000ba26e7f1-0433-433f-8144-c1873650741fMI-T003N-R010WengDepartment of Natural Resources8888-003Public03N 10W - Survey Map of Yankee Springs Township, Barry County, page 2 [Michigan]MapsMichigan--BarryT003N-R010W1914