Historical Marker
The Ice Bridge
Historical marker location:
Mackinac Island, Michigan
( Marker is on Lake Shore Drive (State Highway 185) north of British Landing Road, on the left when traveling north.)
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.