Farmer finds woolly mammoth bones - ``We think that humans were he- Navbharat Times Photodhamal

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``We think that humans were here and may have butchered and stashed the meat so that they could come back later for it,'' Daniel Fisher, the scientist who led the dig, said Friday.

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Mammoths and mastodons, another elephant-like creature, were common in North America before disappearing around 11,700 years ago. Remains of about 300 mastodons and 30 mammoths have been discovered in Michigan, Fisher said, although most of the mammoth finds aren't as complete as the one in Bristle's field.

In This Pic : mammoths

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Bristle told the Ann Arbor News he bought the property a couple of months ago. He and his friend were digging to make way for a new natural gas line when they found the odd object.

In This Pic : Farmer finds woolly mammoth bones

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"When my 5-year-old grandson came over and saw the pelvis, he just stood there with his jaw wide open and stared. He was in awe," Bristle said.

In This Pic : Farmer finds woolly mammoth bones

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The bones will be cleaned and examined by university researchers for cut marks that would indicate human activity, Fisher said.

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