Dinosaur National Monument
Dinosaur National Monument
National preserve, northwestern Colorado and northeastern Utah, U.S. It was set aside in 1915 to preserve rich fossil beds that include dinosaur remains. It was enlarged in 1938 and again in 1978 to its present 330 sq mi (855 sq km). It protects the canyons of the Green and Yampa rivers, which contain highly coloured geologic formations.
This entry comes from Encyclopædia Britannica Concise.
For the full entry on Dinosaur National Monument, visit Britannica.com.
Learn More About
Seen & Heard 
What made you look up Dinosaur National Monument? Please tell us what you were reading, watching or discussing that led you here.
