E6's with a passenger train leaving the old St Louis Union Station, 1967

B&O 1412 (an EMD E6A) with C&O train #2, the eastbound George Washington, leaving St. Louis between April and October 1967. By this time, the George Washington was acting as a replacement National Limited west of Cincinnati. (via Wikimedia)

The old St Louis station is now used for other purposes including an upmarket hotel. The photo below of the interior is from about 1940.