The Cleveland-Lloyd Dinosaur Quarry National Natural Landmark is located in Utah and is renowned for its rich fossil deposits. Discovered in the 1920s, the site contains a high concentration of Jurassic dinosaur bones, including species like Allosaurus and Stegosaurus. It provides valuable insights into the ecosystem of the late Jurassic period. The quarry is situated within the Cleveland-Lloyd Dinosaur Quarry area, which is part of the Morrison Formation. This formation is known for its well-preserved dinosaur fossils. The site is significant for paleontological research and attracts visitors interested in dinosaurs and natural history.