Dump trucks will move 140,000 cubic yards of sand — about 200,000 tons — from the south side of the dune back to where it came from on the north side beginning next week. It will take about 14,000 truckloads for Manteo contractor Hatchell Inc. to finish the $1 million job. Records show it is only the second time in the park's 43-year history of moving sand — and this is the largest, Greenwood said.