Two EMD Roadswitcher diesel locomotives from former railroads -Grand Trunk Western and the Illinois Central, are seen putting together a unit tank car train at the Canadian National Crawford Yard. In the foreground can be seen a trackswitch heater / blower, for use during Chicago's brutally cold winter conditions. I was out on this location shooting pictures at 8 above zero with a stinging windchill factor out of the west in Febuary of 2007. Believe me....Those track switch heater blowers were on 24 -7 and were getting a real mechanical workout during Chicago's deep freeze of 2007.
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