Brush and trees are engulfed in flames after firefighters set a backburn along Highway 191 in an attempt to control a raging wildfire on June 10, 2011 in Nutrioso, Arizona. The fire, which is five percent contained, has so far consumed over 400,000 acres of land and destroyed 29 homes. (Photo by Kevork Djansezian/Getty Images)

A butterfly hoaver over a flower as smoke rises around the Lee Valley Recreational area in the Apache National Forest during back burn operations as the Wallow Fire continues to burn June 12, 2011 in Big Lake, Arizona. The wild fire which is reported as 45 percent contained has spread over more than 600 square miles as it crossed the border into New Mexico, destroying over twenty structures, the majority in the resort town of Greer, and threatened thousands more. (Photo by Kevork Djansezian/Getty Images)

A firefighter sets a backburn on Highway 191 in an attempt to control a raging wildfire on June 10, 2011 in Nutrioso, Arizona. (Photo by Kevork Djansezian/Getty Images)

Smoke rises around the Lee Valley Recreational area in the Apache National Forest during back burn operations as the Wallow Fire continues to burn June 12, 2011 in Big Lake, Arizona. (Photo by Kevork Djansezian/Getty Images)

Flames leap above the tree tops of tall Ponderosa Pine trees in the Apache National Forest during back burn operations as the Wallow Fire continues to burn June 12, 2011 in Big Lake, Arizona. (Photo by Kevork Djansezian/Getty Images)

A sign for a scenic area is posted as smoke rises around the Lee Valley Recreational area in the Apache National Forest during back burn operations as the Wallow Fire continues to burn June 12, 2011 in Big Lake, Arizona. (Photo by Kevork Djansezian/Getty Images)

A firefighter watches flames grow after setting a backburn on Highway 191 in an attempt to control a raging wildfire on June 10, 2011 in Nutrioso, Arizona. (Photo by Kevork Djansezian/Getty Images)