Shoshone River Siphon

Historical marker location:

Cody, Wyoming

( Marker is on N Fork Hwy (U.S. 20) 0.2 miles west of Spirit Mountain Road, on the right when traveling west.)

The Shoshone Project Story.

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.