Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-topics=Natural+%26+Built+Environments%3A%3ARailways&sort=title&f2-cities=Elgin&browse-topics=yes&f4-types=Archival+Collections&f5-topics=Natural+%26+Built+Environments%3A%3ARailways&f3-topics=Work%3A%3AAdvertising&f6-cities=Elgin