| Country | United States |
| Town / Area | Springfield (Illinois/USA) |
| Year of execution | 2007 |
| Client / General contractor | Kiewit Industrial Inc. |
| Height | 137.30 m |
| Surface | ~ 9.000 m² |
| Dimensions | outside diamenter ~ 10,70 m |
| Country | United States |
| Town / Area | Springfield (Illinois/USA) |
| Year of execution | 2007 |
| Client / General contractor | Kiewit Industrial Inc. |
| Height | 137.30 m |
| Surface | ~ 9.000 m² |
| Dimensions | outside diamenter ~ 10,70 m |