Fort Yellowstone

Historical marker location:

Yellowstone National Park, Wyoming

( Marker is at the intersection of North Entrance Road (U.S. 89) and Grand Loop Road (U.S. 89), on the left when traveling south on North Entrance Road.)

Marker installed: 2003

Wyoming is the only state in the United States that has an official state dinosaur. The state dinosaur is the Triceratops, which roamed the area during the Late Cretaceous period.