A Wisconsin Central freight, powered by a pair of CSX EMD locomotives and a Southern Pacific GE AC4400CW, passes milepost 105 between Duplainville and Sussex, Wisconsin, on the afternoon of July 17, 1997. Leading the train is CSX EMD SD40 (CSX classified the rebuilt locomotive as a SD40-2) No. 8437. You never knew what railroad’s locomotives you’d see running on the WC in this era.