Firefighters with the Marin County Fire Department's Tamalpais Fire Crew monitor a backfire as they battle the Valley Fire on September 13, 2015 near Middletown, California. The fast-moving fire has consumed 50,000 acres after growing 40,000 acres in twelve hours and is currently zero percent contained. | TFC_VF091315SL16.jpg
Firefighters with the Marin County Fire Department's Tamalpais Fire Crew monitor a backfire as they battle the Valley Fire on September 13, 2015 near Middletown, California. The fast-moving fire has consumed 50,000 acres after growing 40,000 acres in twelve hours and is currently zero percent contained.