Millions of years ago, the western half of what is now the United States was home to some of the largest animals that ever existed: the giant dinosaurs of the Jurassic Period. Step back in time 150 million years and follow these massive dinosaurs as they gather around the water hole to feed, fight, and hunt.
Millions of years ago, the western half of what is now the United States was home to some of the largest animals that ever existed: the giant dinosaurs of the Jurassic Period. Step back in time 150 million years and follow these massive dinosaurs as they gather around the water hole to feed, fight, and hunt.
FOR USE IN SCHOOLS AND LIBRARIES ONLY. Provides a look at the dinosaurs that lived in the Morrison Formation in prehistoric Colorado and the world in which they lived.