Historical Marker
Historic Crossroad
Historical marker location:
5 West Front Street, Monroe, Michigan
( Marker is at the intersection of West Front Street and South Monroe Street, on the left when traveling west on West Front Street.)
The Upper Peninsula of Michigan was once a major center for copper mining. The Keweenaw Peninsula was home to the largest concentration of copper mines in the world in the mid-19th century, and copper was an important natural resource for the state's economy.