| Source | Chicago Sun-Times |
|---|---|
| Original Load Date | Nov. 28, 2025, 6:01 a.m. |
| Last Updated | Nov. 28, 2025, 6:01 a.m. |
| Original URL | https://chicago.suntimes.com/architecture-design/2025/11/28/loop-skyscraper-louis-sullivan-stock-exchange-lasalle-landmark-protection |
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When architect Louis Sullivan’s famed Chicago Stock Exchange Building was
wrecked in 1972 to make room for a 44-story office tower, it...