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REDVALE,  Colo. — A wildfire burning in Montrose County has grown to nearly 500 acres. However, containment has reached 35 percent Sunday due to favorable weather conditions.

The wildfire is located 4 miles northeast of the town of Redvale near the southern border of Montrose County. The fire is burning public and private land close to the San Miguel River.

A Type 3 Incident Management Team assumed command of the fire beginning Sunday.

Also known as the Upper Mailbox Fire, it began Friday afternoon. According to KKCO, it was caused by a lightning strike. The station said pre-evacuation notices were sent to homes in the area of Ragsdale Road by the Montrose County Sheriff’s Office.