Mich. Comp. Laws § 3.452: Pictured Rocks national lakeshore; reversion to state.

Sec. 2.

Any such deed and cession shall contain a provision that if the United States ceases to use the lands and water area for national lakeshore or similar public recreational purposes, all right, title and interest of the United States in and to these lands and water area shall cease and the lands and water area shall revert to the state of Michigan.