Illinois State Office Building
| Series 6C-K2416|
The beautiful new State Office Building, erected in 1954-1955, at a cost of $11,500,000, is one of finest and largest of its kind in the United States. The ultra-modern H-shaped building has a total floor space of 445,020 square feet, the equivalent of ten acres. The wings are seven stories high and the center part, eight stories.