| Chicago Burlington & Quincy Railroad 9903 named Enjun Joe at Denver, Colorado on July 25, 1937, photographer unknown, print by Tom Klinger, Chuck Zeiler collection. Number 9903 was delivered in October 1935 specifically for service as the Mark Twain Zephyr, the daily round trip between Saint Louis, Missouri and Burlington, Iowa. However, it is seen here at Denver as Train 10, the Advance Denver Zephyr. |