 The road south of Marenisco was a county road at the time, and the highway between Silver City and Ontonagon was a part of the western segment of M-35.By the beginning of 1930, a highway called M-129 was designated south of US 2 to the Wisconsin state line and north along Lake Gogebic.By the end of the year, this road was renumbered as the southern section of M-64; the northern section of M-64 was the highway previously designated as the westernmost segment of M-35.