Controlled burn rescheduled for May 1 Published April 27, 2012 By 319th AIR BASE WING PUBLIC AFFAIRS GRAND FORKS AIR FORCE BASE, N.D. -- Base officials plan to conduct a controlled burn at the Prairie View Nature Preserve - directly north of base housing - on May 1, 2012. The burn had been postponed previously because of inclement weather. If weather precludes Tuesday's planned burn, officials will reschedule for the next day if possible. The burn is expected to begin at 9:30 a.m. Tuesday. Officials stress that residents remember fire safety during any controlled burns, and recommends residents keep their windows and doors closed. Please keep your children away from the north-end playground during this time.