Sec. 14. The part of highway US-31 beginning at the county line of Muskegon and Oceana Counties and extending north to the county line of Mason and Manistee Counties, excluding the portion of highway US-31 in Oceana County beginning at the W. Shelby Road exit 144 and continuing north to the Hart Polk Road exit 149, shall be known as the "Pere Marquette Memorial Highway".
"Pere Marquette Memorial Highway."
Mich. Comp. Laws § 250.1014, under MICHIGAN MEMORIAL HIGHWAY ACT.
Mich. Comp. Laws § 250.1014