<page_title> List of National Natural Landmarks in Michigan </page_title> <section_title> National Natural Landmarks </section_title> <table> <cell> Porcupine Mountains <col_header> Name </col_header> <col_header> Black Spruce Bog Natural Area </col_header> <col_header> Dead Stream Swamp </col_header> <col_header> Dukes Research Natural Area </col_header> <col_header> Grand Mere Lakes </col_header> <col_header> Haven Hill State Natural Area </col_header> <col_header> Newton Woods </col_header> </cell> <cell> 1984 <col_header> Date </col_header> <row_header> Porcupine Mountains </row_header> </cell> <cell> Warren Woods Natural Area <col_header> Name </col_header> <col_header> Black Spruce Bog Natural Area </col_header> <col_header> Dead Stream Swamp </col_header> <col_header> Dukes Research Natural Area </col_header> <col_header> Grand Mere Lakes </col_header> <col_header> Haven Hill State Natural Area </col_header> <col_header> Newton Woods </col_header> <col_header> Porcupine Mountains </col_header> <col_header> Roscommon Virgin Pine Stand </col_header> <col_header> Strangmoor Bog </col_header> <col_header> Tobico Marsh </col_header> <col_header> Toumey Woodlot </col_header> </cell> <cell> 1967 <col_header> Date </col_header> <row_header> Warren Woods Natural Area </row_header> </cell> </table>
The first designation, Warren Woods State Park was made in 1967 while the most recent, the Porcupine Mountains was made in 1984.