C & NW RR i.e. Chicago and North Western railroad, working on a locomotive at the 40th Street railroad shops, Chicago, Ill
Identification of 40th Street shops confirmed by the source: Flickr Commons project, 2008. Removed notes about Proviso Yards and Melrose Park.
Title from FSA or OWI agency caption.
Transfer from U.S. Office of War Information, 1944.
General information about the FSA/OWI Color Photographs is available at http://hdl.loc.gov/loc.pnp/pp.fsac
Additional information about this photograph might be available through the Flickr Commons project at http://www.flickr.com/photos/library_of_congress/2179195370