Beschreibung:
Details a century and a half of copper mining along Upper Michigan's Keweenaw Peninsula, from the arrival of the first incorporated mines in the 1840s until the closing of the last mine in the mid-1990s.
Details a century and a half of copper mining along Upper Michigan's Keweenaw Peninsula, from the arrival of the first incorporated mines in the 1840s until the closing of the last mine in the mid-1990s.