On June 20th, I saw me two Grand Trunk loco's still in its original GT paint scheme working in downtown Cedar Rapids for the Canadian National. They were shoving cars back into the CN yard just east of the UP North Yard near Cargill.
GT 4934:
http://jreb.org/gallery/main.php?g2_itemId=10448 (http://jreb.org/gallery/main.php?g2_itemId=10448)
GT 5855:
http://jreb.org/gallery/main.php?g2_itemId=10451 (http://jreb.org/gallery/main.php?g2_itemId=10451)