Tag Archive for 'Grand Canyon National Park'

Geologists Professor Stephen Rowland and Dr. Mario Caputo discovered that a set of 28 footprints left behind by a reptile 310 million years ago are the oldest ever to be found in Grand Canyon National Park. Image credit: Stephen Rowland.

Geologists Find 310-Million-Year-Old Reptile Footprints in Grand Canyon National Park

Nov 9, 2018 by News Staff

Geologists have discovered a set of 28 footprints left behind by an ancient reptile approximately 310 million years ago in what is now Grand Canyon National...