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The time line below represents the past 545 million years of Earth's history. To see what the Denver area looked like at different points in time, click on one of the underlined landscape titles to the left of the time line. Bon voyage!

Ancestral Rockies Colorado's East Coast Submarine Colorado Finally, the Rockies After Armageddon The First Rainforest Red Dirt World The Rockies Explode Castle Rock Floods Ice Age Summer Front Range Today Sand Planet Slimy Shoreline Long Neck Meadow

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