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Isle Royale




It is 45 Mile s (74 km) long and 9 miles (14 km) wide, with an area of about 205 mi&2 ( 530 Km&2 ).

It is United States territory (even though it is closer to the Canadian coastline) and is part of the state of Michigan . Formerly Isle Royale formed a separate county, but was later incorporated into Keweenaw County . The highest point on the island is Mount Desor at 1,394 Feet (425 M ), or about 800 feet (250 m) above lake level.

Isle Royale was once the site of a lake trout and Whitefish fishery, a resort community, and unprofitable Copper mines. It was also the site of crude copper mining by Native Americans , centuries earlier. Today it has no permanent inhabitants, as the small community of largely Scandinavian fishermen were removed by the United States Park Service shortly after the Isle became a national park in mid-century.

Isle Royale is within about 22 miles (35 km) of the Canadian shore of the lake, near the city of Thunder Bay, Ontario , and about 50 miles (80 km) from the Michigan shore, on the Keweenaw Peninsula . There are seasonal passenger ferry services to the island from Grand Portage, Minnesota , Copper Harbor and Houghton, Michigan . There are no roads on the island.

It is well known among Ecologists as the site of a long-term study of a Predator-prey System , between Moose and Wolves . Before the self-introduction of wolves to the island (crossing winter ice from Ontario), coyotes were the primary predators. Prior to that, Caribou and Lynx dominated. Other common mammals are Red Foxes , Beaver s, Red Squirrel s, and Snowshoe Hare s.


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