The Judith River Dinosaur Institute. was established to aid in the work of the museum and studies of dinosaurs in the area. The museum collection represents the field program of the museum headed up by Nate Murphy, the Phillips County Museum’s Curator of Paleontology.
The museum also includes displays representing the Native Americans that have inhabited the area for thousands of years, and the pioneers and homesteaders that took up residence in the area in the last 150 years. Also notable in the local collection are the infamous outlaws that roamed the area, most notably, Butch Cassidy and the Sundance Kid, and the notorious Kid Curry and the Wild Bunch.