Brown, Frederick H.A survey map of some islands South of the Western half of Clark Township in Mackinac County, Michigan, measured in 1907.JPEG2000fd2dfec5-f8c2-4e6b-91a6-89c8cd29c9a1MI-T042N-R001WengDepartment of Natural Resources8888-003Public42N 01W - Survey Map of Clark Township, Mackinac County, page 7 [Michigan]MapsMichigan--MackinacT042N-R001W1907