Historical Marker
Sacred Heart Hall
Historical marker location:
1247 E Siena Heights Dr, Adrian, Michigan
( Marker is on East Siena Heights Drive, 0.2 miles east of Addison Street, on the right when traveling west.)
Marker installed: 1993
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.