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The Copper Country is an area in the Upper Peninsula of Michigan in the United States, including Keweenaw County, Michigan, Houghton, Baraga and Ontonagon counties as well as part of Marquette County. The area is so named as copper mining was prevalent there from 1845 until the late 1960s, with one mine (the White Pine mine) continuing through 1995. The region includes Copper Island, Copper Harbor and Isle Royale. In its heyday in the latter half of the 19th century and the early 20th century, the area was the world's greatest producer of copper.[1]