Geologists Head To Mount Baldy to Solve Dunes Mystery
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Full Story: http://indianapublicmedia.org/news/ge... National Park Service officials say they still don't know what caused a dune to collapse and bury a 6-year-old boy last year. As Barbara Harrington reports, this means the park is closed to everyone except a team of geologists who are exploring different theories of the dune's collapse.
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