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The Dinosaur Quarry NPS logo



Contents

THE QUARRY

THE DINOSAURS

First Discoveries
Position of Dinosaurs Among Reptiles
Geologic History
What They Looked Like
Temperature Tolerance
Gizzard Stones

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
Work Methods
Further Development
Protecting the Quarry
Present Development

THE SCENE TODAY

KEY TO PRONUNCIATION

SUGGESTED READINGS

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.

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Last Modified: Mon, Jan 17 2005 10:00:00 am PDT
natural/dino/dinotoc.htm