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Keweenaw National Historical ParkThe heavy snowfalls on the Keweenaw Penisula required the use of the Russell Snow Plow to keep the railroads to mines open. NPS Photo.
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Keweenaw National Historical Park
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.
A piece of float copper sets on exhibit near the Calumet & Hecla general offices.  

Did You Know?
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.

Last Updated: June 25, 2008 at 15:48 EST