The fire, burning since Saturday afternoon near Guinda in the Capay Valley, remained at 2,220 acres by Monday evening, with containment up to 50 percent, Cal Fire reported.
Cal Fire said seven structures – none of them residences – have been destroyed, and the cause remains under investigation.
Eighty-two engines, 14 water tenders, 12 helicopters, 35 hand crews, 20 dozers, four air tankers and 1,116 firefighting personnel were assigned as of Monday night, Cal Fire said.
Firefighters’ efforts resulted in authorities lifting the mandatory evacuation order for the County Road 41 area as of 5 p.m. Cal Fire said the area still remained under an evacuation advisory.
Officials said Highway 16 between Rumsey and Highway 20 remains closed.
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