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/ / / Grand Canyon's oldest fossilized footprints: What we know about the accidental discovery

Grand Canyon's oldest fossilized footprints: What we know about the accidental discovery

In 2016, a hiker accidentally discovered fossilized footprints in the Grand Canyon. Now researchers are analyzing the 313-million-year-old prints.

      


from USATODAY - News Top Stories https://ift.tt/3aTFw61
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