A high school teacher stumbled across two giant footprints — and marked a first for science – CNN
A high school teacher stumbled across two giant footprints — and marked a first for science CNNFirst series of adult T. rex footprints hints at its walking speed Science NewsHe thought he had found a T. rex footprint; scientists returned the next day and uncovered four tracks from 66.5 million years ago The Times of IndiaScientists identify the first likely Tyrannosaurus rex trackway in North Dakota mezha.netFirst-ever T. rex trackway found by high school teacher in North Dakota | Discover Wildlife BBC Wildlife Magazine
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