Rare Birds. BNSF GP39-3 2517 (née-ATSF 1247 GP30) and GP39-2 2944 (née-ATSF 3654, GP39-2) work in Ardmore, Oklahoma on the morning of Tuesday, December 29, 2020. The original ATS&F Station still stands in the background, serving passengers of the Amtrak Heartland Flyer.