Yosemite Fire

Charlie Ferris Firefighter Charlie Ferris, of Los Angeles, watches a smoke plume from the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite A firefighter looks at the Rim Fire incident report map posted at the command post near Yosemite National Park, Calif., on Monday, Aug. 26, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite In this Monday, Aug. 26, 2013 satellite photo released by NASA, a smoke plume trails north from the drought-fueled Rim Fire, center, burning near Yosemite National Park in central California. Red outlines indicate hot spots where the satellite detected unusually warm surface temperatures associated with fires. Containment of the fire more than doubled to 15 percent, although it was within a mile of the park's Hetch Hetchy Reservoir, the source of San Francisco's famously pure drinking water, officials said. (AP Photo/NASA)

AP Photo/NASA

Western Wildfires Yosemite In this Sunday, Aug. 25, 2013, photo, the Hetch Hetchy Reservoir is hazy with smoke from the Rim Fire fills the air in Yosemite National Park, Calif. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite Firefighters pour water on a hot spot at a campground destroyed by the Rim Fire near Yosemite National Park, Calif., on Monday, Aug. 26, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite Two firefighters watch trees burn while battling the Rim Fire near Yosemite National Park, Calif., on Monday, Aug. 26, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

APTOPIX Western Wildfires Yosemite The Rim Fire burns along Highway 120 near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

A.J. Tevis Firefighter A.J. Tevis watches the flames of the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite A helicopter drops water over a hot spot while battling the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite Trees burn as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite The Rim Fire burns along Highway 120 near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Lee Howard, Charlie Ferris Firefighters Lee Howard, foreground, of Wartburg, Tenn. and Charlie Ferris, of Los Angeles, watch a smoke plume from the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite Power lines are faintly seen through the smoke generated by the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite A small boat floats on the Hetch Hetchy Reservoir as the smoke and some embers from the Rim Fire fill the air in Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite A burned tree stands near state Highway 120 as the sun rises through a heavy smoke from the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting to 50 mph on Sierra mountain ridges and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Glen Stratton Operations section chief Glen Stratton points to the Hetch Hetchy Reservoir on the map while briefing the media at the command post near Yosemite National Park, Calif., on Monday, Aug. 26, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires A contractor prepares to load a bulldozer onto a trailer as a smoke plume from the Rim Fire rises near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. With winds gusting and flames jumping from treetop to treetop, hundreds of firefighters have been deployed to protect this and other communities in the path of the Rim Fire raging north of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Trees burn in a burnout fire as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

APTOPIX Western Wildfires Yosemite A firefighter watches for spot fires during a burnout operation while battling the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Inmate firefighters walk along Highway 120 after a burnout operation as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire A firefighter walks along Highway 120 past burning trees as firefighters continues to battle the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire The smoke generated by the Rim Fire rises under a star-filled sky near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Inmate firefighters walk along Highway 120 as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Sunday, Aug. 25, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire The Rim Fire burns near Yosemite National Park, Calif., on Saturday, Aug. 24, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

John Curtis Firefighter John Curtis, of Big Bear, Calif., watches the Rim Fire burn near Yosemite National Park, Calif., on Saturday, Aug. 24, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires A forest smolders as the Rim Fire continues to burn near Yosemite National Park, Calif., on Saturday, Aug. 24, 2013. Fire crews are clearing brush and setting sprinklers to protect two groves of giant sequoias as a massive week-old wildfire rages along the remote northwest edge of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Reno Smoke A smoky haze blankets Virginia Street headed south from the main downtown casino strip in Reno, Nev. on on Friday, Aug. 23, 2013, as health district officials raised an air quality alert to the "red" unhealthy level for the general population. The smoke from a massive wildfire burning 150 miles to the south at Yosemite National Park prompted school officials to keep children inside Friday in Carson City, Washoe and Douglas counties. (AP Photo/Scott Sonner)

AP Photo/Scott Sonner

Western Wildfires In this undated photo provided by the U.S. Forest Service, the Rim Fire burns near Yosemite National Park, Calif. The wildfire outside Yosemite National Park — one of more than 50 major brush blazes burning across the western U.S. — more than tripled in size overnight and still threatens about 2,500 homes, hotels and camp buildings. Fire officials said the blaze burning in remote, steep terrain had grown to more than 84 square miles and was only 2 percent contained on Thursday, down from 5 percent a day earlier. (AP Photo/U.S. Forest Service)

AP Photo/U.S. Forest Service

Western Wildfires In this undated photo provided by the U.S. Forest Service, the Rim Fire burns near Groveland Ranger Station in Groveland, Calif. The wildfire outside Yosemite National Park — one of more than 50 major brush blazes burning across the western U.S. — more than tripled in size overnight and still threatens about 2,500 homes, hotels and camp buildings. Fire officials said the blaze burning in remote, steep terrain had grown to more than 84 square miles and was only 2 percent contained on Thursday, down from 5 percent a day earlier. (AP Photo/U.S. Forest Service)

AP Photo/U.S. Forest Service

APTOPIX Western Wildfires Yosemite A fire truck drives past burning trees as firefighters continue to battle the Rim Fire near Yosemite National Park, Calif., on Monday, Aug. 26, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, Crews clear California Highway 120 of debris, as crews continue to fight the Rim Fire near Yosemite National Park in California Wednesday, Sept. 4, 2013. The massive wildfire is now 80 percent contained according to a state fire spokesman. The Rim Fire’s southeast flank in Yosemite National Park is expected to remain active where unburned fuels remain between containment lines and the fire. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, a Hotshot fire crew member rests near a controlled burn operation at Horseshoe Meadows, as crews continue to fight the Rim Fire near Yosemite National Park in California Wednesday, Sept. 4, 2013. The massive wildfire is now 80 percent contained according to a state fire spokesman. The Rim Fire’s southeast flank in Yosemite National Park is expected to remain active where unburned fuels remain between containment lines and the fire. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, fire crew members stand watch near a controlled burn operation as they fight the Rim Fire near Yosemite National Park in California Monday, Sept. 2, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, fire crew members stand watch near a controlled burn operation as they release a very pistol, as they fight the Rim Fire near Yosemite National Park in California, Monday, Sept. 2, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, members of the Horseshoe Meadow Interagency Hotshot Crew, from Miramonte, Calif., walk near a controlled burn operation as they fight the Rim Fire near Yosemite National Park in California Sunday, Sept. 1, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, firefighters hose down a hotspot near a ranger station as they fight the Rim Fire in Yosemite National Park in California Sunday, Sept. 1, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, a firefighter walks near a burn area during operations against the Rim Fire near Yosemite National Park in California Sunday, Sept. 1, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, fire crew members stand watch near a controlled burn operation as they fight the Rim Fire near Yosemite National Park in California Sunday, Sept. 1, 2013. The massive wildfire is now 75 percent contained according to a state fire spokesman. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfires Yosemite A tree burns near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite The Rim Fire burns through trees near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite The Rim Fire burns through trees near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite The Rim Fire burns through trees near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite Fire trucks drive through heavy smoke generated by the Rim Fire near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

APTOPIX Western Wildfires Yosemite A videographer records the Rim Fire burning through trees near Yosemite National Park, Calif., on Tuesday, Aug. 27, 2013. Firefighters gained some ground Tuesday against the huge wildfire burning forest lands in the western Sierra Nevada, including parts of Yosemite National Park. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfires Yosemite In this photo provided by the U.S. Forest Service, a Hotshot fire crew member rests near a controlled burn operation at Horseshoe Meadows, as crews continue to fight the Rim Fire near Yosemite National Park in California Wednesday, Sept. 4, 2013. The massive wildfire is now 80 percent contained according to a state fire spokesman. The Rim Fire's southeast flank in Yosemite National Park is expected to remain active where unburned fuels remain between containment lines and the fire. (AP Photo/U.S. Forest Service, Mike McMillan)

AP Photo/U.S. Forest Service, Mike McMillan

Western Wildfire Yosemite A smoke plume from the Rim Fire rises nera Yosemite National Park, Calif., on Monday, Aug. 26, 2013. A raging wildfire in Yosemite National Park rained ash on the reservoir that is the chief source of San Francisco's famously pure drinking water, and utility officials Monday scrambled to send more water toward the metropolitan area before it becomes tainted. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite A helicopter flies over Tuolumne City, Calif., on Monday, Aug. 26, 2013, after dropping fire retardant over the Rim Fire. A raging wildfire in Yosemite National Park rained ash on the reservoir that is the chief source of San Francisco's famously pure drinking water, and utility officials Monday scrambled to send more water toward the metropolitan area before it becomes tainted. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

Western Wildfire Yosemite A helicopter reloads fire retardant as firefighters continue to battle the Rim Fire in Tuolumne City, Calif., on Monday, Aug. 26, 2013. A raging wildfire in Yosemite National Park rained ash on the reservoir that is the chief source of San Francisco's famously pure drinking water, and utility officials Monday scrambled to send more water toward the metropolitan area before it becomes tainted. (AP Photo/Jae C. Hong)

AP Photo/Jae C. Hong

CALIFORNIA-INCENDIOS FORESTALES Esta fotografía muestra a un bombero parado encima de un camión en un campamento destruido por el incendio que arde cerca del Parque Nacional Yosemite, el lunes 26 de agosto de 2013. (Foto AP/Jae C. Hong)

Foto AP/Jae C. Hong

Western Wildfires Yosemite In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, smoke from the Rim fire billows near Yosemite National Park, Calif. UH-60 Black Hawk Crews are battling the Rim wildfire, one of the largest in California history, in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

Aerial Water Drop on Rim Fire In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, Sgt. Chris Boni, crew chief from the 1-140th Aviation Battalion (Air Assault) from Los Alamitos Joint Training Base (JFTB), releases water to help control the Rim fire below near Yosemite National Park, Calif. The The UH-60 Black Hawk Crews are battling the Rim wildfire, one of the largest in California history, in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

Aerial Water Drop on Rim Fire In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, the 129th Rescue Wing's HH-60 Pave Hawk air crews battle the Rim Fire over Yosemite National Park, Calif., in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

Aerial Water Drop on Rim Fire In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, Sgt. Chris Boni, crew chief from the 1-140th Aviation Battalion (Air Assault) from Los Alamitos Joint Training Base (JFTB), releases water to help control the Rim fire below near Yosemite National Park, Calif. The The UH-60 Black Hawk Crews are battling the Rim wildfire, one of the largest in California history, in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

Western Wildfires Yosemite In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, Sgt. Chris Boni, crew chief from the 1-140th Aviation Battalion (Air Assault) from Los Alamitos Joint Training Base (JFTB), releases water to help control the Rim fire below near Yosemite National Park, Calif. The The UH-60 Black Hawk Crews are battling the Rim wildfire, one of the largest in California history, in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

Aerial Water Drop on Rim Fire In this Thursday, Aug. 22, 2013 photo provided by the California Army National Guard on Monday, Aug. 26, 2013, Sgt. Chris Boni, crew chief from the 1-140th Aviation Battalion (Air Assault) from Los Alamitos Joint Training Base (JFTB), releases water to help control the Rim fire below near Yosemite National Park, Calif. The The UH-60 Black Hawk Crews are battling the Rim wildfire, one of the largest in California history, in support of the U.S. Forest Service and CAL FIRE. (AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey)

AP Photo/U.S. California Air National Guard, Master Sgt. Julie Avey

YOSEMITE WILDFIRE A look at the area of the Rim Fire in Yosemite National Park in California. ; 3c x 5 inches; 146 mm x 127 mm;

Western Wildfires Yosemite Smoke clouds and bands of haze from the Rim Fire in the western Sierra Nevada loom up some 20 miles behind the famed granite monolith known as Half Dome, right center, seen from 11,500-foot Mt. Clark in Yosemite Valley in Yosemite National Park, Calif., Saturday, Aug. 24, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. Containment of the Rim Fire more than doubled to 15 percent, although it was within a mile of the park's Hetch Hetchy Reservoir, the source of San Francisco's famously pure drinking water, officials said Monday. (AP Photo/Tami Abdollah)

AP Photo/Tami Abdollah

Western Wildfires Yosemite Smoke clouds from the Rim Fire in the western Sierra Nevada loom up some 20 miles behind the famed granite monolith known as Half Dome, left center, in Yosemite Valley in Yosemite National Park, Calif., Saturday, Aug. 24, 2013. Crews working to contain one of California's largest-ever wildfires gained some ground Monday against the flames threatening San Francisco's water supply, several towns near Yosemite National Park and historic giant sequoias. Containment of the Rim Fire more than doubled to 15 percent, although it was within a mile of the park's Hetch Hetchy Reservoir, the source of San Francisco's famously pure drinking water, officials said Monday. (AP Photo/Tami Abdollah)

AP Photo/Tami Abdollah