Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-institutions=Chicago+History+Museum&f2-topics=Natural+%26+Built+Environments%3A%3ARoads&f3-topics=Natural+%26+Built+Environments%3A%3ARoads&f1-topics=Government+%26+Leadership%3A%3AMilitary&sort=title