Officials tentatively planned to burn about 2,000 acres of dense forest by dropping incendiary devices from the air , aiming to remove fuel from the wildfire 's path .
Officials developed plans to burn about 2,000 acres of dense forest near the park 's southwest border by dropping incendiary devices , hoping to burn off fuel from the wildfire 's path .
This led last month to the recovery of the 600-pound Cancun altar , Vanderbilt University in Nashville and the National Geographic Society announced Wednesday .