Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-cities=St.+Charles&f2-institutions=University+of+Chicago&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-institutions=University+of+Chicago&f5-cities=St.+Charles&f6-cities=St.+Charles&f7-cities=Elgin