By: shelley-jaye
License: Copyright, All Rights Reserved

Uploaded: 25 May 2019
Last Updated: 25 May 2019

455 megapixels
20,612 x 22,052 pixels
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Petrified tree trunk outside of the Smithsonian Natural History Museum in Washington, D.C. Two hundred and seven million year old conifer (Araucarioxylon arizonicum) from the Triassic period found in today's Petrified Forest National Park in Arizona. Approximately two feet in diameter.