Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 1981 - 1986 |
| Floors | 63 |
| Height | 221.0 m / 725 ft |
| Surface | 131 922 m² / 1 420 000 ft² |
Realization
| Architect |
Skidmore, Owings & Merrill |
| Developer |
Olympia and York |
Building Info
| Address | 161 East Chicago Avenue |
| Materials |
granite exterior |
| Status | Completed |