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SP engines 4151, 5009, 3199, and 4104 lead train symbol HOLFM through Jennings. Before conversion to DTC in early 1985, there were train order offices at Jennings, Midland, and Crowley. Jennings is at milepost 185.
The second unit is a GP30 built for the SSW in 1963. There were never very many GP30s on the Southern Pacific. The SSW had 10 and the SP had eight. Most were off the roster by the end of 1986. Disk 101