Switch lists coming in by teletype to the hump office at a Chicago and Northwestern railroad yard, Chicago, Ill. (LOC)

---

Size: 1608px × 1244px
Photo credit: © PF-(bygone1) / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1942, archive, chicago, congress, dc:identifier=, dc:identifier=httphdllocgovlocpnpfsac1a34624, delano, historic, history, jack, jackdelano, library, libraryofcongress, list, northwestern, northwesternrailroadyard, photograph, railroad, switch, teletype, vintage, xmlns:dc=, xmlns:dc=httppurlorgdcelements11, yard