Just off Michigan Avenue in Chicago, workmen fixed an American flag to a steel girder, then signaled to a crane operator atop a 41-story building skeleton. While thousands of sidewalk superintendents looked on, the girder swiftly rose to the top (see cut), where it was fastened into place, "topping out" the $40 million Prudential Building, biggest skyscraper to be built in the U.S. in 15 years.
While topping out its Chicago building, Prudential last week was also finishing up another Midwest headquarters, an $8,000,000 structure in Minneapolis. Both are shining examples of...
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