M 337 leaves the siding at Peosta

M 337 rolls out of tunnel headed for Dubuque

M-337 heads for the Mississippi river bridge.

M-337 has the light and moves west to cross the Mississippi River

M-337 rolls down the joint main into the yard

Ditch lights on this unit look like they are mounted a little high

A sweet sound 6 SD40's rumble M-337 into East Dubuque. IC 6257, IC 6112, WC 6004, IC 6121, GTW 5946, GTW 5931

A SD 40 and A SD 70 bring M-337 into Dubuque today

Crew member of M-337 is going to pull the pin on there setout

A very late M-337 with 604 axles struggles into East Dubuque