In the days and weeks that follow, few dinosaurs remain.
But they were not recognized as dinosaur remains until 1983.
The oldest dinosaur remains in the eastern US are about 225 million years old.
In the months that follow, few dinosaurs remain.
Dinosaur remains can be seen embedded in rock, and visitors can learn about the area's rich geology.
Beginning in 1877, the plentiful dinosaur remains preserved in Wyoming came to the attention of scientists.
Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.
The dinosaur remains lie in a valley by the Red Cliffs, so named for the color they turn when hit by the sun's rays.
In 1808, Cuvier scientifically described the theropod vertebrae as the first dinosaur remains ever.
The dinosaurs remain in place in the park, but their depictions are now outdated in many respects.