The Bottle fire began at 4:40 p.m. Tuesday in the area of Highway 29 near Bottle Rock Road, according to Cal Fire.
Cal Fire said the fire was at 90 percent containment on Wednesday night.
The agency updated the fire’s acreage, rolling it back to 62 acres from the estimate of 75 acres given on Tuesday.
No structures have been damaged or destroyed, officials reported.
Reports from the scene on Tuesday night indicated a firefighter had a medical emergency and had to be transported from the fire line to the hospital.
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