Historical Markers in
Kalkaska County, Michigan

A Memorial To William Copeland Col. Baker Post No. 84 Memorial Excelsior Town Hall Kalkaska County Kalkaska County Veterans Memorial Narrow Gauge Rails and Wheels Rugg Pond Dam Veterans Memorial Park
Michigan is the only state to have two designated "state stones": the Petoskey Stone, which is the state stone of Michigan, and the Isle Royale Greenstone, which is the state gemstone of Michigan. The Petoskey Stone is a fossilized coral that is found primarily in the northern Lower Peninsula, while the Isle Royale Greenstone is a rare mineral found only on Isle Royale in Lake Superior.
Michigan random facts