Sec. 27. The portion of highway I-75 in Cheboygan and Mackinac counties shall be known as the "G. Mennen Williams Highway" and the "Prentiss M. Brown Memorial Highway".
Mich. Comp. Laws § 250.1027, under MICHIGAN MEMORIAL HIGHWAY ACT.
Mich. Comp. Laws § 250.1027
Sec. 27. The portion of highway I-75 in Cheboygan and Mackinac counties shall be known as the "G. Mennen Williams Highway" and the "Prentiss M. Brown Memorial Highway".