i read that more than 1,000 dinosaur footprints along with tail-drag marks have been discovered along the Arizona-Utah border. The incredibly rare concentration of beastly tracks likely belonged to at least four different species of dinosaurs, ranging from youngsters to adults.
The tracks range in length from 1 to 20 inches (2.5 to 51 centimeters).
it is really amazing finding ,as we all know it is not that easy to find dinosours fossils.with this discover we can know how the dianosaur look like.
want to know more go to http://www.msnbc.msn.com/id/27281903/?GT1=43001
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