Hollowed Ground: Copper Mining and Community Building on Lake Superior, 1840s-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 billion pounds of copper through the 1990s. In addition to documenting companies and their mines, mills, and smelters, Hollowed Ground is also a community study. It examines the region's population and ethnic m…