A series of prescribed burns are scheduled for this month at the Shamrock Ranch in northern Mendocino County. The burn will treat roughly 600 acres of grassland, chaparral and understory vegetation. The burns will take place anytime through the 27th, depending on the weather. Burns will take place from roughly 8 am to 3 pm. Smoke and aircraft may be visible in burn areas. More information at fire.ca.gov.