7.4 Million Acres

CS Monitor: Soldiers, prisoners, other countries join massive firefighting effort in the West - Wildfires burning across the West total more acreage than each of the previous ten years. Firefighters have come from around the country as well as from Canada, Australia, and New Zealand.

Mother Jones: 30 Percent of California's Forest Firefighters Are Prisoners - About 4,000 inmates battle blazes in the Golden State's woodlands.