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Huge 'Wall of Water' Could Devastate Great LakeThe Mile Post 7 basin was constructed in the late 1970s ... purpose of on-land disposal by emptying stored tailings into Lake Superior." Now owned by Ohio-based Cleveland-Cliffs, the facility's ...
A cross-section of the Lake Superior basin that shows the volcanic rock that helps Isle Royale and the Keweenaw Peninsula. (Courtesy U.S. Geological Survey) The lava flow caused by the ...
Lake sturgeon live primarily in the Great Lakes and Mississippi River basin. There are thought to be distinct and isolated lake sturgeon populations in Lake Superior, western Lake Michigan ...
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