Quick Facts
| City | Chicago |
| Country | United States of America |
| Year | 1981 |
| Floors | 57 |
| Height | 233.8 m / 767 ft |
| Surface | 130 064 m² / 1 400 000 ft² |
Realization
| Architect |
Skidmore, Owings & Merrill |
| Contractor |
Turner Construction Company |
| Developer |
Hines |
| Engineer |
Skidmore, Owings & Merrill |
Building Info
| Address | 70 West Madison Street |
| Materials |
granite exterior |
| Status | Completed |