Riley Lawson from Lawson Fossils in Rapid City arranges fossils in his booth while getting ready for the Rapid City Gem and Mineral Show at the Ramkota in Rapid City. The show will be Saturday from 9 a.m. to 6 p.m. and Sunday from 10 a.m. to 4 p.m., there will be a silent auction, 18 different vendors, a fluorescent light room and several different speakers.