Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-1990s
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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.
In Hollowed Ground, author Larry Lankton tells the story of two copper industries on Lake Superior-native copper mining, which produced about 11 billion pounds of the metal from the 1840s until the late 1960s, and copper sulfide mining, which began in the 1950s and produced another 4.4 billi...


