Visitors browse through a selection of items at a sales outlet for the Isle Royale Natural History Association located at Keweenaw National Historical Park Headquarters.
The Isle Royale Natural History Association currently provides interpretive products relating to Keweenaw National Historical Park for purchase at park headquarters in Calumet, Michigan.
Cradle to Grave by Larry Lankton Read about the rise and and decline of the copper mining industry on Michigan's Keweenaw Peninsula. more...
Beyond the Boundaries by Larry Lankton Read about everyday life in the copper mining heyday on the Keweenaw Peninsula. more...
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.