
Copper mining operations define the landscape of the Keweenaw Peninsula during this era of industrial peak. The twin cities of Houghton and Hancock anchor the region, connected by the intensive activity along Portage Lake and the Portage Lake Ship Canal. To the south and north, a dense network of specialized railroads, including the Copper Range RR and the Mineral Range RR, services numerous company towns and mine sites such as Atlantic Mine, Trimountain, and Painesdale.
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