Utah geologists discover 'dinosaur dance floor'
This discovery brought back some vaguely disturbing memories ... Not the Mama!
AP - Utah geologists say they have discovered prehistoric animal tracks so densely packed on a 3/4-acre rock site, they're calling it a "dinosaur dance floor." The site along the Arizona-Utah border is offering a rich new set of clues about the lives of dinosaurs 190 million years ago.
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