(MICHIGAN CITY) - Crews are expected are examining a northern Indiana sand dune for any problem areas similar to where a collapse last month buried a young Illinois boy under 11 feet of sand for more than three hours.
The National Park Service and the Environmental Protection Agency are use ground-sensing equipment at the 43-acre sand dune called Mount Baldy at the Indiana Dunes National Lakeshore.
That section of the park has been closed to the public since 6-year-old Nathan Woessner of Sterling, Ill., became trapped on July 12. Doctors initially put Nathan in a medically induced coma but he recovered enough to go home from a hospital two weeks later.
Some geologists theorize that a long-buried tree trunk decomposed under the dune and created the void.
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