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Below is a nealy perfect profile of the unit.  It is working as the second unit behind #3690.

Below is another view of the unit hauling the same train.

Below, #4813 is on the point heading up the line with #3690 in tow.

Below is a profile shot of the GP38 running on the point.  Notice on the side sill below the letter "B" that the old ACI card has left a rust spot.

Below #4813 works in the middle of a 3 unit consist with a rare GP15T-2.