Leona Butts of Clearlake Oaks captured this picture of the Oasis Fire's smoke column at 11 a.m. Tuesday, September 8, 2009, as she traveled along Highway 20 toward Yuba County. The fire is located in the Cache Creek Wilderness Area.

The Oasis Fire is located south of Highway 20 and six miles west of Highway 16 in Colusa County, according to Cal Fire.

Officials reported that the fire had grown to 1,200 acres with 30-percent containment. Full containment is expected Friday. The cause is still under investigation.

Stacie McCambridge of Cal Fire's Sonoma-Lake-Napa Unit, which is in charge of handling the fire, said one minor injury has been reported. In that case, a firefighter suffered a 2-inch by 1-inch burn to the face, and was being evaluated by a medic Tuesday evening. An abandoned trailer also burned in the fire.

The fire broke out Monday night and has been burning in steep terrain featuring brush, oak and grass, said Tammy Rossi of Cal Fire. She noted it's been a long time since that area burned.

On Tuesday, the battle from the air continued, with six helicopters and seven air tankers hitting the blaze with water and retardant drops, with a DC-10 also ordered, Rossi said.

In the afternoon, the fire jumped containment lines and went over Cache Creek, where it began burning on the creek's north side, according to reports from the scene.

Shortly before 7 p.m. reports indicated that firefighters were working on six hot spots, and that the fire had made several runs at the dozer line but the helicopters were able to knock it back.

Rossi said the fire was moving to the east toward Baldy Mountain, and was burning on Bureau of Land Management property, as well as land owned by the Payne Ranch, which also is the location of a firefighter camp.

Resources reported on scene late Tuesday included 680 Cal Fire personnel plus another 29 firefighters from local government agencies, BLM, Williams Fire and the California Department of Corrections.

In addition, there were 32 engines, 24 fire crews, five helicopters, 10 bull dozers, nine water tenders on scene.

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Johnna Ornbaun of Williams sent this photograph of a view of the Oasis Fire's smoke cloud from the Sacramento Valley not long after the fire started on Monday, September 7, 2009. Her father, Brent Wiggin of Arbuckle, is on the fire lines running his dozer.