article: Morrison Formation
links: Brontosaurus Arizona National Park Service Coal Saurophaganax Oklahoma Apatosaurus Saskatchewan Alberta Brachiosaurus Green River Montana Allosaurus Dryosaurus Abydosaurus Idaho Camarasaurus Utah South Dakota Jurassic Arctic Ocean North Dakota Middle Jurassic Bone Wars United States Torvosaurus Sundance Sea Wyoming Canada Texas Supersaurus Nebraska Edward Drinker Cope Aeolian processes Kansas Eurasia Othniel Charles Marsh USA Laurasia New Mexico Ornitholestes Solnhofen limestone Pittsburgh, Pennsylvania Upper Jurassic Marshosaurus North America Woodrow Wilson Colorado Germany Drinker Rocky Mountains Formation (geology) Stegosaurus Amphicoelias Diplodocus Camptosaurus Ceratosaurus Tanzania