Union Mine

Historical marker location:

White Pine, Michigan

( Marker can be reached from South Boundary Road south of Headquarters Road, on the right when traveling south.)

Union Copper Company. Ontonagon, Michigan.

Michigan is the only state in the United States that consists of two peninsulas. The Upper Peninsula (UP) and Lower Peninsula (LP) are connected by the five-mile-long Mackinac Bridge, which is one of the longest suspension bridges in the world.