Michigan constitution
Article X
Section 5

The legislature shall have general supervisory jurisdiction over all state owned
lands useful for forest preserves, game areas and recreational purposes; shall require annual
reports as to such lands from all departments having supervision or control thereof; and shall
by general law provide for the sale, lease or other disposition of such lands.
State land reserve.
The legislature by an act adopted by two-thirds of the members elected to and serving in
each house may designate any part of such lands as a state land reserve. No lands in the state
land reserve may be removed from the reserve, sold, leased or otherwise disposed of except by
an act of the legislature.