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It is 8:30AM on February 3, 1973 at Black River interlocking tower south of Seattle, WA. Milwaukee Road number 3 was one of the rare FP45s. EMD built five FP45s for the Milwaukee Road in late 1968. The engines have finished setting out the cars for Seattle in a small yard around the curve. Leaving the rest of their train in the yard, the engines have come up to the tower to pick up train orders. After receiving the train orders, the units will move back to their train and then head south down the valley to Tacoma.
Later the same morning another westbound Milwaukee train is setting out cars for Seattle. The head brakeman picked up the orders in the delivery fork as the units passed the tower. Union Pacific trains use the track to the right. The train has engines 2057, 3006, and 3005. Disk 8