Top, high school students from Salt Lake City School District match castings of a camarasaurus in proper order. Left, students grind and clean castings. They will work for the next three months assembling the castings as part of a high school intern project for the Utah Museum of Natural History and DinoLab, a local firm that assembles cast skeletons. They will receive credit hours and some pay. "The Dinosaur Builders" project lets visitors view the process of how cast dinosaur skeletons are prepared for exhibit. Each project will begin with a plaque-mount, the stage when the bones were discovered in the ground, then move to the cast skeleton mount, then to a fleshed-out model. "We think this exhibit will be very popular among visitors because it brings an aspect of museum science firsthand to the public," said museum director Sarah George.