Update: Revised estimate puts Big Horn County wildfire at 75,000 acres MTN and last updated 2021-07-28 18:16:07-04 Update 4:15 p.m. A Type II Incident Management Team is expected to arrive at the Poverty Flats Fire on Thursday morning to evaluate the blaze. John Kohn, BIA fire information officer, said the fire is currently being managed by the Big Horn County Rural Fire Department with assistance from state and federal resources. Fire crews are working to protect structures in the small community of Dunmore, Kohn said. Crews are also working to prevent the blaze from moving south and east. Kohn said the fire spread quickly after it started Tuesday afternoon about 10 miles north of Hardin. It reached the reservation at about 1 a.m. Thursday, he said.