Position of Dinosaurs Among Reptiles
What They Looked Like
THE CLIMATE, LIFE, AND LANDSCAPE OF JURASSIC TIME
How Do We Know?
ANIMALS FROM THE QUARRY
Why So Many?
How Were They Preserved?
How Were They Exposed?
WHY DID DINOSAURS BECOME EXTINCT?
HISTORY AND DEVELOPMENT OF THE QUARRY
Discovery and Early Years
Starting the Quarry
Extent and Development of the Find
Protecting the Quarry
THE SCENE TODAY
KEY TO PRONUNCIATION
The National Park System, of which Dinosaur National
Monument is a unit, is dedicated to conserving the
scenic, scientific, and historic heritage of the United
States for the benefit and enjoyment of its people.