The drought has caused the second-worst amount of wind erosion in the Great Plains since the government began keeping records of the phenomenon, the Agriculture Department said Monday.

Wind erosion damaged 13.2 million acres in the Great Plains in the six months ending May 31. North Dakota was the hardest-hit, suffering damage on 3.5 million acres.Texas was second on the list of damage, with 2.5 million acres affected by wind erosion. Other states with damage were Colorado, 1.48 million acres; South Dakota, 1.46 million acres; New Mexico, 1.44 million acres; Montana, 1.29 million acres; Kansas, 865,800 acres; Wyoming, 291,370 acres; Nebraska, 173,168 acres, and Oklahoma, 117,428 acres.