C&NW 40th St. Yard, Chicago, 1942

Another one from the Library of Congress set of color transparencies. As always, click for a larger version.

Source data, from their Flickr stream (lots more images of different kinds, at the Library of Congress website!):

"Locomotives lined up for coal, sand and water at the coaling station in the 40th Street yard of the C & NW RR., Chicago, Ill. Jack Delano, photographer. December, 1942."