149 million years ago, dinosaurs roamed Colorado and Utah at the convergence of the Green and Yampa rivers. Their fossilized bones are visible in the cliff face at Quarry Exhibit Hall in Dinosaur National Monument.
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149 million years ago, dinosaurs roamed Colorado and Utah at the convergence of the Green and Yampa rivers. Their fossilized bones are visible in the cliff face at Quarry Exhibit Hall in Dinosaur National Monument.
Great Sand Dunes National Park and Preserve protects the tallest dunes in North America… and a whole lot more. The park and preserve contain ecosystems ranging from wetlands to forest to tundra—each supporting specially adapted plant, animal and insect life.