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How the Earth Was Made – Season 1, Episode 7 Great Lakes

Play trailer How the Earth Was Made – Season 1, Episode 7 Great Lakes Aired Mar 24, 2009 Documentary Special Interest History Play Trailer Watchlist
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Scientists seek clues to the formation of North America's Great Lakes, the largest expanse of fresh water on the planet; delving into an underground salt mine; investigating a fossilized coral reef; diving to the bottom of Lake Superior.
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How the Earth Was Made — Season 1, Episode 7

Episode Info

Synopsis Scientists seek clues to the formation of North America's Great Lakes, the largest expanse of fresh water on the planet; delving into an underground salt mine; investigating a fossilized coral reef; diving to the bottom of Lake Superior.
Network
History
Rating
TV-PG
Genre
Documentary, Special Interest, History
Original Language
English
Release Date
Mar 24, 2009