James Bristle of Lima Township was digging in a soybean field Monday when he and his friend pulled up what they first thought was a bent, muddy old fence post. But it was actually the rib bone of an ancient woolly mammoth... University of Michigan professor Daniel Fisher... believes that the mammoth died between 11,000 and 15,000 years ago. Most mammoths were gone by 10,000 years ago... “We get calls once or twice a year about new specimens like this,” Fisher told The Washington Post. But they’re usually mastodons. It’s a bit more unusual to find a mammoth, the group...