See also HISTORIC SITES AND MARKERS
Directional signs, Minn. Statutes 2008 173.02, 173.08, 173.081
Historic places, Minn. Statutes 2008 138.664
Scientific and natural areas, Minn. Statutes 2008 86A.05
Stromatolites, Minn. Statutes 2008 84.1525
Underground space use
Dewatering, Minn. Statutes 2008 103I.661
Permits, Minn. Statutes 2008 103I.681, 103I.685, 103I.691