Since there are no ripple marks on the surface of the rock ... And a third rock from a personal collection (in use as a ...
Paleontologist Anthony Romilio looked at three rock slabs bearing footprints. Most of the footprints come from one slab, ...
Palaeontologists have discovered 66 three-toed dinosaur footprints in a slab of rock that has been on display for 20 years at ...