Mich. Comp. Laws § 324.74201: Camp registration card; posting; definition.

Sec. 74201.

A person shall not camp on any state owned lands under the jurisdiction or control of the department without having first posted a camp registration card.

As used in this part, "to camp" means the erection of a tent or tent-type camper or the parking and occupancy of a travel or house trailer or truck camper.