Telling the Dinosaur Story: Part 3 Cretaceous Period

National Park Service


Part 3: Cretaceous Period This video is the last in a series about the dinosaur story. Learn about the Cretaceous Period. By the end of this period, 66 million years ago, dinosaurs will be extinct. _ The Telling the Dinosaur Story series explores the fascinating time of dinosaurs as told through various National Natural Landmarks (NNLs) in and along the Rocky Mountain Front. Learn more about NNLs at


7 minutes, 49 seconds

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