https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8937763
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Plate 72 from The Plan of Chicago, 1909: Chicago. Sketch Diagram of Docks Suggested at the Mouth of the Calumet River for Bulk Freight Steamers; Access To Be Had Without Opening of Bridges. by Daniel Hudson Burnham (Architect)
Original public domain image from Art Institute of Chicago
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