Xi Psi Phi Fraternity

Historical marker location:

505 S State St, Ann Arbor, Michigan

( Marker can be reached from South University Avenue, 0.1 miles east of South State Street, on the left when traveling east.)

Marker installed: 1939

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.