Explore Chicago Collections
https://explore.chicagocollections.org/records/?f1-topics=Natural+%26+Built+Environments%3A%3ARailways&f2-topics=Government+%26+Leadership%3A%3AMilitary&f3-topics=Events+%26+Movements%3A%3AWars&f4-types=Digital+Images&f5-topics=Events+%26+Movements%3A%3AWars&f6-topics=Natural+%26+Built+Environments%3A%3ARailways&f7-types=Digital+Images&f8-topics=Natural+%26+Built+Environments%3A%3ARailways