Hadrosaurus

He points out places in New Jersey and nearby where specimens characteristic of each era can be found. He shows how fossil evidence discovered in the state is helping paleontologists reconstruct the ecological interactions and behavior of dinosaurs, and discusses such continuing scientific controversies as the reason for the extinction of the dinosaurs.

A survey of the noted paleontologists who have uncovered and studied dinosaur fossils including information on their findings

Presents general information about the hadrosaurus, including the period in which it lived, where its fossils have been found, its bodily structure, and how it probably behaved.