Located on the campus of the South Dakota School of Mines & Technology in Rapid City, the Museum of Geology invites you to come see our paleontology exhibit featuring original fossils found in South Dakota and our Mineral Exhibits from around the world. Located in the O’Harra Building, we are open 9 a.m.-4 p.m., Monday through Friday, and 10 a.m.-4 p.m., Saturday.