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Lake Superior deepest point [4] on the bathymetric map. [1] Lake Superior has a surface area of 31,700 square miles (82,103 km 2), [7] which is approximately the size of South Carolina or Austria. It has a maximum length of 350 statute miles (560 km; 300 nmi) and maximum breadth of 160 statute miles (257 km; 139 nmi). [8]
Isle Royale geologic map Cross-section of the Lake Superior basin showing the tilted strata of volcanic rock that form Isle Royale. The island is composed largely of ridges, running roughly southwest-to-northeast. The main ridge, Greenstone Ridge, is over 1,000 ft (300 m) in many places.
Manitou Island is a small island in Lake Superior, off the northeastern tip of the Keweenaw Peninsula in the U.S. state of Michigan. It is part of Grant Township, in Keweenaw County. Located approximately three miles from the mainland, it encompasses around 1,000 acres (4.0 km 2). Manitou has seen limited impact from human activity because of ...
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Map including the Huron Islands showing Huron National Wildlife Refuge and the lighthouse (AMS, 1957)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.
Granite Island is a 2.5-acre (1.0 ha) island in Lake Superior located about 12 miles (19 km) northwest of Marquette in the Upper Peninsula of the U.S. state of Michigan. Built upon it is the Granite Island Lighthouse, also known as Granite Island Light Station, [1] "one of the oldest surviving lighthouses on Lake Superior". [2]
Isle Royale is a 134,000-acre (54,200-hectare) island situated in far western Lake Superior between Grand Marais, Minnesota, and Thunder Bay, Canada. Researchers typically conduct aerial surveys ...
Isle Royale (/ ˈ r ɔɪ əl /, ROY-əl) [1] is an island of the Great Lakes located in the northwest of Lake Superior and part of the U.S. state of Michigan.The island and the 450 surrounding smaller islands and waters make up Isle Royale National Park.