Chicago Harbor, Illinois
5/1931
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This map comes from a series of records created or collected by the Chicago District staff of the Army Corps of Engineers [for] civil engineering projects. As parts of those public works projects, the Corps of Engineers dredged rivers, creeks, harbors, and other waterways; built levees for flood control; removed wrecks and other obstructions to navigation; built and maintained bridges, locks, and dams; and relocated roads and railroads.
This primary source comes from the Records of the Office of the Chief of Engineers.
National Archives Identifier: 6976879
Full Citation: Chicago Harbor, Illinois; 5/1931; Records of the Office of the Chief of Engineers, Record Group 77. [Online Version, https://www.docsteach.org/documents/document/chicago-harbor-illinois, May 9, 2024]Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.