Possibly the afternoon Z from Portland to Chicago has this great lashup. That's the MRL 1744 second.
2nd unit is IC 6003 (Operation Lifesaver)
Trailing unit is GP60B #331
Amtrak #86 on the point of the Empire Builder passing behind
GP 38-2 #2293 pushing a cut of cars on the next track
EMD GP30 (Built 1962), Rebuilt by Morrison-Knudsen (1990)