Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-topics=Natural+%26+Built+Environments%3A%3ARoads&f1-topics=Events+%26+Movements%3A%3AFairs+%26+Conventions&sort=title&f2-neighborhoods=Loop&f4-cities=Chicago&f5-topics=Events%20%26%20Movements::Fairs%20%26%20Conventions