Mich. Comp. Laws § 4.1944

Sec. 4. (1) The Michigan state capitol historic site is established. (2) The Michigan state capitol historic site consists of the state capitol building in Lansing and the grounds of the state capitol building bounded by Ottawa street on the north, Allegan street on the south, Capitol avenue on the east, and Walnut street on the west. (3) Except as otherwise provided in this act, the Michigan state capitol historic site shall be under the exclusive control of the commission.