This false-color image taken by the Landsat-7 satellite on June 7, shows how completely the Wallow Fire is burning the forest in the mountains of eastern Arizona.
One of a number of large wildfires that have affected northern California in 2012, the Chips fire burned more than 75,000 acres by the time firefighters had contained it.
Taken an hour and a half after the Las Conchas Fire started in the mountains southwest of Los Alamos, New Mexico, on June 26, this image shows the large wildfire well underway.