How the Earth Was Made Season 2 Episode 6 The Rockies 2009
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From Alaska to New Mexico, the Rockies are one of the great mountain belts of the world--caused by tectonic forces of the Pacific Plate pushing against the North American continent. They have formed as the earth's continental crust has been shortened under pressure--by around 1 inch a year. What's more, they are still rising and they are still young in geologic terms: when the dinosaurs roamed the Earth they had not even started to form.
- Released: 2009-12-22
- Runtime: 45 minutes
- Genre: Documentary
- Stars: Corey Johnson
- Director:
