The Brown Fire is human-caused and under investigation, according to the Coronado National Forest. About 240 personnel are working to control it.

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A wildfire burning in Garden Canyon in the Huachuca Mountains has grown, and a Type 1 incident-management team was expected to take over command of the fire Tuesday evening.

The Brown Fire began Sunday on the north side of the mountains.

Cochise County sheriff’s deputies, members of the sheriff’s assist team and Arizona Rangers are delivering pre-evacuation information to residents in the Ramsey Canyon area.

Here are more details on the fire, according to the Coronado National Forest:

Size: 366 acres as of Tuesday.

Cause: Human-caused, under investigation.

Containment: Zero percent.

Who’s fighting it: About 160 personnel are working to control the fire. Two hot shot crews are at the scene with three additional crews en route. Several air tankers are dropping fire retardant, two helicopters are dropping water and several fire engines are being used.

Structures threatened: None.

Fuels burning: The fire is burning in higher-elevation brush and timber.

Fire closures: The Brown Canyon area, west and northwest of Ramsey Canyon, is closed while crews work to control the fire. The public is not allowed in the area, or on Forest Service Road 5736, Brown Canyon Ranch Road, and Forest Service trails 115, 116, 117, 122, 123, 129, 103. Any violations can be punishable by fines or imprisonment. The closure is in effect until May 1.