This park preserves a quarry rich with paleontological resources as well as expansive surrounding landscapes, including mountain ranges, steep canyons and wild river valleys. The Quarry Exhibit Hall displays more than 1,400 fossils from the late Jurassic period. Five sites on the western side of the park also preserve a collection of petroglyphs and pictographs from the Fremont people who lived in the region a thousand years ago. The Green River meets with its largest tributary, the Yampa River, in the heart of the park, helping to support more than 1,000 native plant and animal species throughout the area.

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