Since the Conrail split-up, both CSX and NS have supplied coal for the Bow, NH power plant, but it appears that NS has won the day and handles all of the Bow traffic via Harrisburg- Sunbury- Binghamton- Mechanicsville and the Hoosac Tunnel.  We were at a local train show and stopped in Shirley, MA just moments before this train went over the hotbox detector a few miles west.  The lead unit now belongs to NS- note the white number decal on the cab