Explore Chicago Collections
https://explore.chicagocollections.org/records/?f2-topics=Natural+%26+Built+Environments%3A%3ARailways&f6-neighborhoods=Portage+Park&sort=title&browse-cities=yes&f1-cities=Chicago&f5-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-neighborhoods=Rogers+Park&f3-neighborhoods=South+Shore