Chicago Lifted Entire Buildings With Jackscrews

In the 1850s and 1860s, Chicago had a drainage problem so large that parts of the city were physically raised. Streets went up, buildings followed, and crews used jackscrews to lift structures while new foundations were built beneath them.

Sources:
- Encyclopedia of Chicago, Street Grades, Raising: https://www.encyclopedia.chicagohistory.org/pages/1202.html
- Encyclopedia of Chicago, Street Raising on Lake Street: https://www.encyclopedia.chicagohistory.org/pages/3292.html
- Chicago Architecture History, Raising Buildings to the New Grade: https://chicagoarchitecturehistory.com/2022/11/08/9-12-raising-buildings-to-the-new-grade/
- Image attribution: see local source-attribution.md

Music:
"Village Consort" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0 License
http://creativecommons.org/licenses/by/4.0/

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