About 750 feet of sediments of the early Oligocene (Chadronian) White River Formation are exposed along Flagstaff Rim in south-central Natrona County, Wyoming. About 4,000 specimens of fossil ...
The Karl Hirsch Fossil Eggshell Collection contains over 3,000 cataloged specimens. Most of the collection was collected from the Rocky Mountain Region, with extensive collections of Jurassic ...