FILE - This June 7, 2011 file photo shows a boat covered by volcanic ash from Chile's Puyehue-Cordon Caulle volcano on the bank of Nahuel Huapi Lake in Villa La Angostura in southern Argentina. The ... more 
FILE - This June 7, 2011 file photo shows a boat covered by volcanic ash from Chile's Puyehue-Cordon Caulle volcano on the bank of Nahuel Huapi Lake in Villa La Angostura in southern Argentina. The volcano's eruption resulted in grounded flights across the lower third of South America for most of the winter tourist season. Lodges and restaurants in Bariloche and Villa La Angostura normally filled with skiers, are empty. With airport runways, Andean slopes and sheep and cattle ranches coated in ash, the local economy has been devastated. (AP Photo/Federico Grosso, File) less 
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Associated Press | Photo By Federico Grosso, File
Thu, Jul 21, 2011 11:27 AM EDT