(Isabella, MN)  —  It appears the fast-moving fire that broke out near Isabella on Sunday afternoon is not slowing down.  The U.S. Forest Service says the Greenwood Fire now covers an estimated two-thousand acres. Officials say 30 firefighters, eight engines, two bulldozers, two helicopters and an aircraft are being used to battle the “extreme wildfire.”  About 75 nearby residences have been evacuated.  USFS hopes to have the fire contained in seven to ten days.