National Park Service, Michigan.
From 7,000 years ago to the 1900s people mined Keweenaw copper. Native peoples made copper into tools and trade items. Investors and immigrants arrived in the 1800s in a great mineral rush, developing thriving industries and cosmopolitan communities. Though the mines have since closed, their mark is still visible on the land and people.
Keweenaw National Historical Park is located is located on the Keweenaw Peninsula, the northernmost part of Upper Michigan.