Michigan State University finds 16,000-year-old sand dune on campus

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EAST LANSING, Mich. (AP) - Researchers have found an undisturbed 16,000-year-old sand dune on the campus of Michigan State University.

It's far from the water, and researchers say it was left behind when the ice sheets were melting away as the climate warmed.

The university said Monday the find is underneath a grove of pine trees between Demonstration Hall and Munn Ice Arena.

Michigan State geography professor Alan Arbogast says it's the first time he's seen an inland sand dune so far south.

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