Uinta Mountain Range, northeastern Utah.
Halloween Uinta River Rock Worm
The Uinta Rock Worm can be found directly east of Salt Lake City. It swims east-to-west along the Utah-Wyoming border. The heavy spine heavy grooves in the sides make this worm very fast.
Halloween Wind River Rock Worm in Context
The Wind River Rock Worm is just north of the River Centipeds. Both swim on the great land-shelf that is part of a much larger plateau.