Vermont Rail System's Green Mountain Railroad Bellows Falls switcher uses the Pan Am Railways Bellows Falls to Portland slurry train, BFPO, motive power to switch cars for the Pan Am BF-1 local on Saturday, December 16. For the first time in nearly a year, Pan Am Railways sent a solid set of SD40-2s, MEC 3403, 3401, and 3402, to Bellows Falls for this week's slurry.