Description from Wikipedia:
"Parasaurolophus (parr-ə-saw-rol-ə-fəs or / parr-ə- sawr-ə-loh-fəs; meaning "near crested lizard" in reference to Saurolophus) is a genus of ornithopod dinosaur that lived in what is now North America during the Late Cretaceous Period, about 76.5–74.5 million years ago. It was an herbivore that walked both as a biped and a quadruped. Remains have been found from Alberta (Canada) to New Mexico and Utah (United States). The genus was first described in 1922 by William Parks, from a skull and partial skeleton found in Alberta.
Parasaurolophus was a hadrosaurid, part of a diverse family of Cretaceous dinosaurs known for their range of bizarre head adornments. This genus is known for its large, elaborate cranial crest, which at its largest forms a long curved tube projecting upwards and back from the skull."
A Geocache Notification Form has been filed with the Marathon County Parks, Recreation, and Forestry Dept.