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Many large blocks appeared to be in depressions in the ash, but upo...

Detailed Description

Many large blocks appeared to be in depressions in the ash, but upon closer examination, it was concluded that wind had winnowed ash from around the blocks, creating a false impression that the depressions were made by impact. In places, ash has accumulated on the upwind sides and been removed from the downwind sides of the ballistics, giving a smooth streamlined appearance to the parking lot.