Results for R
Fremont People, Petroglyphs, and Pictographs at Swelter Shelter and Cub Creek
About 1,000 years ago, the Fremont people lived in this ar...
Sound of Silence Trail
The Mesozoic Era lasted from about 250 million to 65 milli...
Fossil Discovery Trail
Travel through millions of years of history o...
Yampa River
The Yampa River extends for nearly 250 miles from its sour...
Earl Douglass
Earl Douglass was born in 1862 in Medford, Mi...
Stegosaurus ungulates at the Quarry Exhibit Hall
Stegosaurus is a plant eating dinosaur with plates on its ...
Diplodocus longus at the Quarry Exhibit Hall
Diplodocus is one of the most abundant sauropods (long-nec...
Camarasaurus lentus at the Quarry Exhibit Hall
Camarasaurus is one of the most common sauropods (long-nec...
Apatosaurus louisae at the Quarry Exhibit Hall
Apatosaurus grew up to 69 ft (21 m) long and ate plants. Y...
Allosaurus fragilis at the Quarry Exhibit Hall
Allosaurus, meaning "different delicate reptile," is a the...
Results for R
Fremont People, Petroglyphs, and Pictographs at Swelter Shelter and Cub Creek
About 1,000 years ago, the Fremont people lived in this area and left evidence of their presence in the form of petroglyphs and pictographs. Several areas in the monument allow visitors to easily access these designs and ponder the mystery ...
Sound of Silence Trail
The Mesozoic Era lasted from about 250 million to 65 million years ago. It saw the evolution, terrestrial dominance, and eventual extinction of the dinosaurs.
For most of the Mesozoic, western North America was hot and dry, and the area around ...
Fossil Discovery Trail
Travel through millions of years of history on the Fossil Discovery Trail. Long ago, dynamic forces pushed and tilted these layers of rock upward. Later, erosion exposed the layers as colorful ridges. Erosion also revealed remnants of ancient ecosystems ...
Yampa River
The Yampa River extends for nearly 250 miles from its source in the mountains of Colorado to its confluence with the Green River. For the last 47 of those miles, the Yampa River is within Dinosaur National Monument. The river ...
Earl Douglass
Earl Douglass was born in 1862 in Medford, Minnesota. Although Douglass did not begin collecting fossils in earnest until in his early 30s, his interest in the sciences, especially geology, dated to his boyhood. As a young man, he ...
Stegosaurus ungulates at the Quarry Exhibit Hall
Stegosaurus is a plant eating dinosaur with plates on its back and spikes on its tail. Stegosaurus means “covered lizard,” a reference to its plates. They may have been used to protect its back from predators trying to grab a ...
Diplodocus longus at the Quarry Exhibit Hall
Diplodocus is one of the most abundant sauropods (long-necked dinosaurs) in the Morrison Formation. Its pencil-like teeth were only in the front of the jaws and were used to strip leaves off of low-growing plants. It could get up to ...
Camarasaurus lentus at the Quarry Exhibit Hall
Camarasaurus is one of the most common sauropods (long-necked dinosaurs) of the Jurassic. It grew up to 50 ft (15 m) long. Camarasaurus sounds huge by modern standards, but it is only a mid-sized sauropod. It had spoon-shaped teeth for ...
Apatosaurus louisae at the Quarry Exhibit Hall
Apatosaurus grew up to 69 ft (21 m) long and ate plants. You may have heard it referred to by its scientifically incorrect name, Brontosaurus. This sauropod (long necked dinosaur) was discovered and named Apatosaurus, or "false lizard," because of ...
Allosaurus fragilis at the Quarry Exhibit Hall
Allosaurus, meaning "different delicate reptile," is a theropod (meat-eating dinosaur) that probably ate other smaller dinosaurs. Its teeth were up to 3 in (7.6 cm) long and serrated like steak knives for cutting flesh. Adults hunted by overpowering their prey, ...