(CNN) -- Justin Blauwet noticed something unusual while working at a construction site in Iowa. At first glance, it appeared to be a block of stone, just under a foot long, covered in ridges. But ...
SHELDON, Iowa (WKRC/CNN Newsource) - Construction workers in Iowa made a prehistoric, "once-in-a-lifetime" discovery. A woolly mammoth tooth was found on a construction site in the city of Sheldon. It ...
SHELDON, Iowa -- A man made a prehistoric, "once-in-a-lifetime" discovery in Iowa. He discovered a woolly mammoth tooth while on a construction site in the city of Sheldon, CNN reported. It weighs a ...
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