Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-types=Archival%20Collections&f3-topics=Natural%20%26%20Built%20Environments%3A%3ARailways&f1-topics=Natural%20%26%20Built%20Environments%3A%3ARailways&f2-neighborhoods=Forest%20Glen&f5-neighborhoods=Albany%20Park