The season also proved to be a deadly one for firefighters battling the many blazes throughout the state. A United States Forest Service member from South Dakota died on July 31 from carbon monoxide poisoning, while battling the Frog Fire in the Modoc National Forest. A second firefighter was killed on August 8 by a falling tree, while battling the Sierra Fire south of Echo Summit. A 72-year-old handicapped woman was killed in her home by the fast-moving Valley Fire.