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How the Earth Was Made

2 Season
26 Episode

How the Earth Was Made - Season 1 Episode 7 Great Lakes

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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(8 votes, average: 7.60/ 10)

45 minutes 2025 HD

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