California burning

A firefighter lights a backfire while battling the Butte fire near San Andreas, California September 12, 2015. The Butte fire has destroyed 86 homes and 51 outbuildings in rural Amador and Calaveras counties, where it covers an estimated 65,000 acres (26,305 hectares), officials said. REUTERS/Noah Berger

A home burns as the Butte Fire rages through Mountain Ranch, California, September 11, 2015. The so-called Butte Fire has destroyed six homes and two outbuildings since it erupted on Wednesday near the former gold mining town of Jackson. Governor Jerry Brown on Friday declared a state of emergency for Amador and Calaveras counties, which were damaged by the blaze. REUTERS/Noah Berger

Flames engulf a tree as the Butte fire rages near San Andreas, California September 12, 2015. REUTERS/Noah Berger

Inmate firefighters, lit by the glow of a backfire, rest while battling the Butte fire near San Andreas, California September 12, 2015. REUTERS/Noah Berger

A structure burns as the Butte Fire rages through the Scott's Junction area near Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

Flames from the Butte fire rise over a pasture in Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

Billowing smoke rises above a residence as the Butte Fire burns in San Andreas, California September 11, 2015. REUTERS/Noah Berger

A shed burns as the Butte Fire rages through Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

A firefighter works to save a residence as the Butte fire burns in San Andreas, California September 11, 2015. REUTERS/Noah Berger

Burned out remains of a vehicle and swing set scorched by the Valley Fire line Jefferson St. in Middletown, California September 13, 2015. REUTERS/Noah Berger

A cow grazes in a pasture as the Butte Fire burns Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

A house burns as the Butte fire rages through Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

An oven remains standing amid ruins of a home leveled by the Valley Fire on Lincoln St. in Middletown, California September 13, 2015. REUTERS/Noah Berger

A firefighter watches a tree burn as the Butte fire rages near San Andreas, California September 12, 2015. REUTERS/Noah Berger

A car burns as the Butte fire rages through Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

Firefighters monitor a backfire as they try to contain the Butte fire near San Andreas, California September 12, 2015. REUTERS/Noah Berger

Flames spout from a gas pipe at a Jefferson St. home leveled by the Valley Fire in Middletown, California September 13, 2015. REUTERS/Noah Berger

Firefighters set a backfire while battling the Butte fire near San Andreas, California September 12, 2015. REUTERS/Noah Berger

A firefighter sprays water while fire surrounds boats as the Butte Fire rages near Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

Firefighters work to save a home as the Butte Fire rages through the Scott's Junction area near Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

A home burns as the Butte Fire rages near Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

A house burns as the Butte fire rages through Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

Flames from the Butte fire pass a yard sculpture in Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

An animal walks up a street in the evacuated community of Sheep Ranch near San Andreas, California September 12, 2015. REUTERS/Noah Berger

A house burns as the Butte fire rages through Mountain Ranch, California September 11, 2015. REUTERS/Noah Berger

A home burns as the Butte Fire rages through Mountain Ranch, California, September 11, 2015. REUTERS/Noah Berger