A wildfire burns out of control on the slopes of Mount Diablo in Contra Costa County, Calif., seen from the Woodbridge Ecological Reserve located in the SacramentoSan Joaquin River Delta, Sunday, Sept. 8, 2013. By nightfall, it had surged to 800 acres, state fire officials said, spewing a plume of smoke visible for miles and leading to the evacuation of 50 to 75 homes in Clayton, a town of about 11,000 people alongside the park.