Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-neighborhoods=Loop&f2-topics=Natural+%26+Built+Environments%3A%3ARailways&f3-institutions=Chicago+History+Museum&f4-topics=Events+%26+Movements%3A%3ADemonstrations&f5-topics=Natural+%26+Built+Environments%3A%3ARoads&f6-neighborhoods=Hyde+Park