Paleontologists found in Canada disappearing traces of dinosaurs

The international group of paleontologists from Australia, Canada and Italy documented more than one hundred traces of dinosaurs age of 72,5 million years which have remained on the river bank of Redvillou, near the city of Grande Prairie to Albert's Canadian The province of Alberta . Article about it is published in the PLoS ONE magazine. Traces of dinosaurs were found at least in three different layers which have kept accurate prints, squeezed out in the alluvial (river) floodplain. It means that for a long time this area was occupied by different groups of dinosaurs, most likely, living on different sites of ancient river system...