| Chicago Burlington & Quincy Railroad 4-6-4 Class S-4-A 4004, date, location, and photographer unknown, Chuck Zeiler collection. Number 4004 was built by Baldwin in December 1930 ( c/n 61568 ) as Class S-4 number 3011, rebuilt by the CB&Q at West Burlington, Iowa in November 1938 to Class S-4-A, retired and sold for scrap in May 1955. |