- Learn about the anatomy of the Hyde Park Mastodon, and maybe even take a piece home with you! The Mastodon Project In the past year, PRI has been in the middle of some exciting digs. Read about them here, and find out how you can get involved with the mastodon matrix project. From the Ground Up: The World of Oil Learn about the exciting world of oil, the paleontology and geology behind it, and ...www.priweb.org