Message #112606

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University of Utah geologist Winston Seiler walks among hundreds of what appear to be dinosaur footprints in a "trample surface" that likely was a watering hole amid desert sand dunes during the Jurassic Period 190 million years ago.

The track site, which also appears to include some dinosaur tail-drag marks, is located in Coyote Buttes North area along the Arizona-Utah border.

(Credit: Roger Seiler)