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Isle Royale
(ro̵i′əl)
island of Mich., in N Lake Superior
Origin: Fr, lit., royal island
See Isle Royale in American Heritage Dictionary 4
An island of northern Michigan in Lake Superior near the coast of Ontario. French fur traders named the island in 1671. Native Americans mined the island's copper for centuries before ceding the island to the United States in 1843. It is now a tourist center.
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