Showing posts with label Geological Society of America. Show all posts
Showing posts with label Geological Society of America. Show all posts
Friday, May 27, 2016
Lower Emerald Pools, Zion National Park
Postcard US-4032251 from Utah shows the Lower Emerald Pools, Zion National Park, Utah. A recent study by the Geological Society of America reports that a massive, violent landslide created Zion National Park 4800 years ago.
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