A few weeks ago a soybean farmer in Michigan was digging around on his property when he found something that he thought was a buried fence post.* He tried to dig it out, but discovered it was much bigger than a fence post, and attached to something. He kept digging, and lo and behold, after much toil he discovered that his fence post was actually a tusk attached to a skull. He called in the archeologists, who discovered that the skull was part of the skeleton of a huge woolly mammoth that had been butchered and stored in a pond some one hundred and fifty thousand years earlier by prehistoric hunters. Now, that is quite a discovery, to go from a hole in the ground, to a fence post, to the tale of early American mammoth hunters, butchering their prey after a successful and thrilling hunt and then sinking the carcass into a pond to keep it fresh for a while longer. Why did they not retrieve it later? Did they move on? Millennia later, a scientist holds a bone in his hand and wonders.

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