Explore Chicago Collections
https://explore.chicagocollections.org/records/?f4-institutions=Chicago+History+Museum&f2-topics=Work%3A%3AMedicine&f1-topics=Natural+%26+Built+Environments%3A%3AWaterways&sort=title&f3-topics=Natural+%26+Built+Environments%3A%3AWaterways&f5-types=Archival+Collections&f6-types=Archival%20Collections&f7-topics=Natural%20%26%20Built%20Environments::Waterways