Explore Chicago Collections
https://explore.chicagocollections.org/records/?browse-topics=yes&f1-cities=Gary&f2-topics=Natural+%26+Built+Environments%3A%3AWaterways&f3-topics=Natural+%26+Built+Environments%3A%3ARailways&f4-cities=Gary&f5-topics=Natural+%26+Built+Environments%3A%3AWaterways