Scientists find imprint of dinosaur posterior in Utah rock: "Amid well preserved dinosaur footprints along what used to be the shores of a prehistoric lake in southern Utah, scientists have found the rare signs of a dinosaur's posterior.
Two impressions, made about 200 million years ago when the dinosaur sat down, were found March 17 in St. George, in southwestern Utah, as scientists were investigating the area around a planned dinosaur museum."
Two impressions, made about 200 million years ago when the dinosaur sat down, were found March 17 in St. George, in southwestern Utah, as scientists were investigating the area around a planned dinosaur museum."
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