This is a link from the Library of Congress website to a Mid-Continent Petroleum Corporation tank car, COSX 823.

http://cdn.loc.gov/service/pnp/fsa/8a05000/8a05800/8a05815v.jpg

The photo was taken by John Vachon in Dubuque, Iowa, in 1940.

Larger TIFF files of this image are available here:

http://www.loc.gov/pictures/item/fsa1997005793/PP/

Is there anything remarkable about this car?

Bob Chaparro

Hemet, CA