AirDate: 11/5/2007 |
Overview: In a rugged canyon, down river from the Hoover Dam, a team of construction veterans is building the biggest concrete-arch bridge on the continent. |
Crossing the ColoradoShow: Mega Builders --> Season: 2 - Season 2
AirDate: 11/5/2007
|
Overview: In a rugged canyon, down river from the Hoover Dam, a team of construction veterans is building the biggest concrete-arch bridge on the continent. |