CHEYENNE WY Sept 24 1978 — Union Pacific SD40-2 3343 handles a mixed freight near Cheyenne. EMD built the unit (b/n 766056-09) in February 1977. The unit has been renumbered to UP 1610. According to utahrails.net “Initial per unit cost for locomotives in the UP 3335-3348 group (65 locomotives), according to Equipment Trust No. 1 of 1977, dated December 1, 1976, was $577,100, with a total cost of $8,079,400 for all 14 units. Corrections welcome. My photo.