Chicago asks for help naming 50-ton boulder unearthed at O’Hare
- Posted on September 9, 2026
- By Chicago Tribune
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- 1 min read
In brief
Chicago's O'Hare International Airport has made an unexpected geological discovery during its massive modernization initiative. Workers excavating for a stormwater detention system unearthed a colossal 50-ton boulder buried approximately 30 feet underground. The city is now engaging the public to help name this remarkable find, which represents an intriguing piece of the airport's infrastructure development. This discovery adds an interesting dimension to the multibillion-dollar expansion project aimed at transforming one of America's busiest aviation hubs.
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Chicago asks for help naming 50-ton boulder unearthed at O’Hare
The 50-ton boulder was discovered about 30 feet underground during excavation work on a stormwater detention project, the city said. The project is part of work for the city’s multibillion dollar O’Hare modernization project.
