Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-cities=yes&f1-cities=Chicago&f4-institutions=University%20of%20Illinois%20at%20Chicago&f3-types=Digital%20Images&f2-topics=Natural%20%26%20Built%20Environments::Railways&f5-topics=Work::Industries&f6-types=Digital%20Images