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150 million years ago (Late Jurassic)

Find the clickable hot spots for details and evidence, or follow the links below. (Click to see larger image)

Description: A herd of apatosaurs moves slowly through a waist-high tangle of ferns and Zamites, grazing on succulent branch tips and leaves as the morning mist begins to clear. This is a time before grass and flowering plants, a time when the planet hosts a suite of unusual plants that will be extinct by the end of the age of dinosaurs.

Formation: Morrison

Artist: Jan Vriesen

Best Viewing Spots:

  • Dinosaur Ridge
  • I-70 roadcut at the Morrison exit

I-70 road cut
Interstate 70 travels through this colorful roadcut just south of Golden.

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