I ran into into another one of these units this year at the former McCloud railway here: https://www.railpictures.net/photo/704763/
These yellow units were painted this color by US Steel in Pit... (more)
One of SMS' Baldwin diesel switchers has just spotted a stone car at the pit for unloading. Company pride is evident here as much of the equipment pictured sports the SMS logo
Milwaukee Road Baldwin S-12 switcher no. 925 is parked at Pigs Eye, St. Paul on a dreary March day in 1973. Not sure when this unit was retired, but sister units disappeared about 1976.