By CBS 4 Newsroom
Six months after a Sterling boy was engulfed under 11 feet of sand that popular sand dune in Indiana remains closed
The park recently received data from a radar sweep of the area
It's now up to a group of geologists to crunch the data and determine a cause for the July 12 collapse that buried then-6-year-old Nathan Woessner
Woessner amazingly survived that incident.