Enjoy the majestic views and spectacular geology high on Specimen Ridge in Yellowstone National Park. This unique location harbors dozens of stately fossilized (petrified) trees: some upright, some horizontal. Learn about the violent volcanic episode that entombed these huge trees about 50 million years ago with geology professor Shawn Willsey. (sorry for the sniffles, it was a chilly morning!)

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Shawn Willsey
College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83303

Video GPS location: 44.89467, -110.33446

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