| Chicago Burlington & Quincy Railroad 4-6-4 Class S-4-A 4000, named AEOLUS, at Princeton, Illinois on July 9, 1939, photograph by P. Stringham, print by William A. Raia, Chuck Zeiler collection. On the back of the print, the train is identified as the Overnite Denverite, a train to handle the overflow of the Denver Zephyr. |