![](http://www.alamy.com/thumbs/6/31EC8DA0-F561-4BA5-B73F-D69DBA642DA4/D5FTH4.jpg)
C & NW RR, a general view of a classification yard at Proviso Yard, Chicago, Ill. (LOC)
Size: 1605px × 1246px
Photo credit: © PF-(bygone1) / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1942, archive, chicago, chicagoil, classification, classificationyard, cold, congress, cook, cookcounty, county, dc:identifier=, dc:identifier=httphdllocgovlocpnpfsac1a34681, december, december1942, delano, ferrocarril, historic, history, il, illinois, jack, jackdelano, library, libraryofcongress, photograph, rail, railroad, sidings, smoke, smoking, snow, tracks, train, traintracks, trainyard, vintage, winter, xmlns:dc=, xmlns:dc=httppurlorgdcelements11, yard, локомотивы, пар, паровозы, поезда, чикаго