https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/12290079![[Untitled photo, possibly related to: Chicago, Illinois. A switchman who works at a Chicago and Northwestern Railroad yard].…](https://images.rawpixel.com/image_social_square/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvbG9jMjAxNzg0MTE5MS1pbWFnZS5qcGc.jpg)
![[Untitled photo, possibly related to: Chicago, Illinois. A switchman who works at a Chicago and Northwestern Railroad yard].…](https://images.rawpixel.com/image_social_square/czNmcy1wcml2YXRlL3Jhd3BpeGVsX2ltYWdlcy93ZWJzaXRlX2NvbnRlbnQvbHIvbG9jMjAxNzg0MTE5MS1pbWFnZS5qcGc.jpg)
[Untitled photo, possibly related to: Chicago, Illinois. A switchman who works at a Chicago and Northwestern Railroad yard]. Sourced from the Library of Congress.
[Untitled photo, possibly related to: Chicago, Illinois. A switchman who works at a Chicago and Northwestern Railroad yard]. Sourced from the Library of Congress.
View public domain image source here
Public DomainFree CCO U.S. Government image for Personal and Business use