A frosty winter morning in the yard of Phippsburg (crew change point) on the Craig branch of the Moffat line. A long empty coal train is waiting to go forward to the mines, with AC4400CW # 6664 and SD70ACe # 8516 in front. On the left 3 waiting helpers which will needed again when the train is loaded to go towards Denver over Toponas summit and on the ascent to the Moffat tunnel, AC4400CW # 6684, AC4400CW # 6606 and SD70ACe # 8669.
