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7 Interesting Facts About Lake Superior
10 Awesome Facts About Lake Superior
Think you know the Great Lakes? Here are some little-known facts
What’s so great about the Great Lakes? - Cheri Dobbs and Jennifer Gabrys
Why Lake Superior is so Amazing
13 Most Amazing Facts About Lake Michigan
17 Interesting Facts About Lake Erie
Great Lakes Facts
The Mysteries Of North America's Great Lakes | Naked Science | Spark
What Makes Lake Superior So Superior?
3 Strange Lake Superior Mysteries
10 Mysteries Lurking Underneath the Great Lakes