It also looks like the fireman's door is open to get even more ventilation.
  | 
 
Nice image Joe.  The last time I saw an L&N F-unit (in June 1975) its nose door was open.  No way to say good-bye.
  | 
 
Almost looks like it's missing the engineer's windshield.
  | 
 
I like how this photo shows the human (trainmen) side of railroading.  Nice train, nice consist, nice colors!  Perhaps a red cooler placed near the door could have been a tongue?
  | 
 
From the looks of the third unit, SD45, it is pitching over rough track.  Very common on the E-L and in some places track bolts were missing with only two holding the rail joints together.  I probably took more pictures of this railroad than any other.  Its a shame they let it erode into oblivion.
  | 
 
  |