Smithsonian rebuilding gigantic animal. Washington, D.C., March 24. One of the largest animals which ever walked the earth has been discovered and is being rebuilt by the Smithsonian Institution. Dr. Charles Gilmor, Paleontologist, found in western Utah the bones of a Sauropod,-a species of the dinosaurs which ruled the earth 80,000,000 to 150,000,000 years ago. Dr. Gilmore is pictured fitting the 32-foot tail of the monster together, 3/24/38