Undisturbed, Prehistoric Sand Dune Discovered at Michigan State University

From Treehugger:

Photo: Courtesy MSU.

The sprawling campus of Michigan State University takes in 5,200 acres.

There are trees that shade the landscape and a Grand River that runs through it.

Researchers have just found a 16,000- to 20,000-year-old sand dune on the campus, too, beneath a grove of pine trees.

Article continues: Undisturbed, Prehistoric Sand Dune Discovered at Michigan State University