A forest fire has consumed 150 acres near Lake Isabella in the Sequoia National Forest in Kern County.
The Ranch Fire started about 6 a.m. Tuesday about eight miles west of the lake in inaccessible terrain, said USFS Fire Chief Brent Skaggs.
Air tankers are dropping water and fire retardant, he said.
Fire managers are deciding where to set up a fire break and start a backfire, he said. No structures are in the immediate area.
The "human-ignited" fire is in the "burn scar" of the 1970 Red Mountain fire, in a steep area ranging from 4,000 to 6,000 feet, he said.
The cause of the fire is under investigation.
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