A westbound Chicago & North Western coal train sits for a crew change at Butler, Wisconsin, as hostlers move SD45 No. 951 past in the yard in August 1983.

Busy Butler Yard
A Chicago and North Western train led by SD45 No. 946 waits for a new crew on the westbound main, as two other trains make setouts/pickups at Butler Yard at Butler, Wis... (more)

Note the automatic train stop shoe on the front axle, rare by this date.