Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-cities=Chicago&f2-topics=Work%3A%3AMedicine&f7-types=Archival%20Collections&sort=title&f1-topics=Natural%20%26%20Built%20Environments%3A%3AWaterways&f4-topics=Natural%20%26%20Built%20Environments%3A%3AWaterways&f6-types=Archival%20Collections&f8-cities=Chicago