APA 81 pulls 43 cars north towards Holbrook, Ariz. to interchange with the BNSF Railway, Tuesday Dec. 20, 2016. With exhaust smoke pouring out of the two Apache units as climb over one of humps leading down into Holbrook. With the paper mill closed for a new years now, the Apache Railway still manages to run trains as they conduct maintenance on rail cars and service the Pig Farm, some 14 miles south of Holbrook.