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Think you know the Great Lakes? Here are some little-known facts
Top 10 facts about the Great Lakes
Great Lakes Facts
Canadian Top 10: Great Lake Facts
The Mysteries Of North America's Great Lakes | Naked Science | Spark
Top 10 Weird Things Found at the Bottom of the Great Lakes
10 Mysteries Lurking Underneath the Great Lakes
17 Interesting Facts About Lake Erie
Drain The Great Lakes of America | Secrets of the Freshwater Oceans
Lake Michigan: The Deadliest Great Lake
What are the Great Lakes? Facts for Kids
7 Interesting Facts About Lake Superior