Cook County Administration Building

The George W. Dunne Cook County Administration Building, formerly known as the Brunswick Building, is a skyscraper at 69 West Washington Street in Chicago, Illinois. The building was built between the years 1962 and 1964. It is 475 ft (144.8 m) tall, and has 35 floors. It has a concrete structure. The building, engineered by Fazlur Khan of the firm Skidmore, Owings & Merrill, is known for its the tube-within-a-tube structure system.

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Category:Skyscrapers in Chicago