Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-cities=Chicago&f2-topics=Government+%26+Leadership%3A%3APolitics&f3-topics=Natural+%26+Built+Environments%3A%3AWaterways&f4-topics=Events+%26+Movements%3A%3ABefore+Chicago+%28until+1837%29&f5-topics=Government+%26+Leadership%3A%3APolitics