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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 CNN
- First series of adult T. rex footprints hints at its walking speed Science News
- He 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 India
- Scientists identify the first likely Tyrannosaurus rex trackway in North Dakota Межа. Новини України.
- First-ever T. rex trackway found by high school teacher in North Dakota | Discover Wildlife BBC Wildlife Magazine