More than 60 dinosaur footprints found on boulder that sat at Queensland school for 20 years

One-square-metre slab has one of highest concentrations of fossilised prints documented in Australia, new analysis reveals

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In a corner of Biloela state high school's main office sits an unassuming white slab, covered with fossilised dinosaur footprints.

New analysis suggests the boulder, hiding in plain sight at the central Queensland school for more than 20 years, contains one of the highest concentrations of dinosaur prints documented in Australia.