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An ornithopod dinosaur that was probably an Iguanodon-like species made the most common prints in the area. | Wikimedia Commons/Heinrich Harder
Animals

Dinosaur Freeway Found in Colorado

A bustling thoroughfare 98 million years ago was a coastal plain full of waterways.

January 5, 2012
3:00 AM EST
The dinosaur freeway area in Colorado. | Wikimedia Commons/Heinrich Harder

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