| Chicago Burlington & Quincy Railroad 4-8-4 Class O-5-A 5624 on Train Number 39, The Exposition Flyer, at Sand Creek, Colorado on June 11, 1939, photograph by Jackson Thode, print by Tom Klinger , Chuck Zeiler collection. Number 5624 was assembled by the CB&Q at West Burlington, Iowa, completed in September 1938, sold for scrap in May 1960. |