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The Huron Islands are a group of eight small, rocky islands in Lake Superior, located about three miles (4.8 km) off the mouth of the Huron River in northwestern Marquette County, Michigan, United States. Together they comprise the Huron National Wildlife Refuge, which was established by President Theodore Roosevelt in 1905. [1]
The need for guidance increased in 1855 when the Soo Locks opened, connecting Lake Superior to the St. Lawrence Seaway to the east. Shipping also increased as Duluth-Superior grew, and with the opening of Ashland's first ore dock in 1886. [3] The Apostle Islands lighthouses are popular among tourists.
The Grand Sable Dunes today form a five-mile-long sand slope that rises from Lake Superior at a 35° angle. The summits of the tallest dunes are as high as 275 feet (85 m) above lake level. Glacial melt during the last major advance/retreat called the Marquette Readvance created the conditions for the formation of the Grand Sable Banks.
Lake Superior is the largest freshwater lake in the world by area and the third largest in volume, behind Lake Baikal in Siberia and Lake Tanganyika in East Africa. The Caspian Sea, while larger than Lake Superior in both surface area and volume, is brackish. Lake Superior's deepest point [4] on the bathymetric map. [1]
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Lake Superior State Park is a 1,410-acre (5.7 km 2) state park located on Lake Superior, in the town of Bethel in Sullivan County, New York. The park is operated by the Sullivan County Department of Public Works under a long-term license from the Palisades Interstate Park Commission .
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