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Smoke billows over the mountainous backcountry near Jackson Hole, Wyoming, in this image from August 23, 2011. Started by lightning, the wildfire is burning through insect-damaged forest, beginning the process that will renew the ecosystem.
Image of the Day
Several wildfires burn in southeastern Montana in this image from August 24, 2011.
A veil of smoke hangs over the Upper Midwestern United States in this image taken on August 23. The smoke is from fires in Montana and Wyoming.