• Underground Tamarack Trammer Car

    Keweenaw

    National Historical Park Michigan

News

Visit these pages to find out the latest updates on Keweenaw National Historical Park including current and archived editions of the park newspaper and press releases.

Did You Know?

A piece of float copper sets on exhibit near the Calumet & Hecla general offices.

The largest known quantities in the world of pure, native copper were found on Michigan's Keweenaw Peninsula. In some cases, the deposits were up to 97% pure, requiring little chemical processing to produce ingots of pure copper.