Explore Chicago Collections
https://explore.chicagocollections.org/records/?f3-topics=Work%3A%3ACommerce%20%26%20Trade&f6-topics=Natural%20%26%20Built%20Environments%3A%3ALake%20Michigan%20%26%20Lakeshore&f5-types=Archival%20Collections&f4-cities=Chicago&f1-institutions=Chicago%20History%20Museum