Hoffman, Walter E.Merryweather, AlgernonA survey map of St. Martin Island, Gull Island and Gravel Island, Fairbanks Township in Delta County, Michigan, measured between 1848 and 1912.JPEG200082338cd9-b296-494f-b1dd-7e3548b907a0MI-T036N-R020WengDepartment of Natural Resources8888-003Public36N 20W - Survey Map of Gull Island, St. Martin Island and Gravel Island, Fairbanks Township, Delta County, Page 1 [Michigan]MapsMichigan--DeltaT036N-R020W1848