Hollowed GroundISBN: 9780814336960Platform/Publisher: Project MUSE / Wayne State University PressDigital rights: Users: Unlimited; Printing: Chapters; Download: Chapters Subjects: Mining camps; Community life; Copper mines and mining; Copper mines and mining; 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.