Sec. 3. The deed and cession shall reserve all mineral, coal, oil, and gas rights but not sand, gravel, clay, or other nonmetallic minerals, to the state, together with the right to explore for, mine, and remove the minerals from these lands.
Mich. Comp. Laws § 3.903, under SLEEPING BEAR DUNES NATIONAL LAKESHORE.
Mich. Comp. Laws § 3.903
Sec. 3. The deed and cession shall reserve all mineral, coal, oil, and gas rights but not sand, gravel, clay, or other nonmetallic minerals, to the state, together with the right to explore for, mine, and remove the minerals from these lands.