Burlington Northern diesel locomotive 6115 coupling onto front of Train Number 53, the Badger, at Superior Union Station about to be pulled by switcher over to coach yard in Superior, Wisconsin on April 25, 1971. Number 6115 is an SD9 built by General Motors Electro-Motive Division (EMD), builder's number 22490. Locomotive BN 9910, E9AM builder's number 20534. Photo by Howard Patrick.
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