description About
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.
Info
- verified Status: Ended
- person By: Susan Werbe
- calendar_month Release Date: 2009-03-24
- video_camera_front Companies
- tag Season: Season 1
- timer Episode Runtime: 45 Mins
- star Rating: 0 / 10
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