![Extreme Engineering](https://image.tmdb.org/t/p/w342/y2Ojs6gFwVhJvGA3MsPgVJOYT0U.jpg)
9 Season
77 Episode
Extreme Engineering - Season 2 Episode 9 Excavators
In northern Minnesota, the operators of the world's largest open-pit iron mine commission the construction of a $10 million custom-built super-shovel in the hopes of making excavation more efficient.
- Year: 2011
- Country: United States of America
- Genre: Documentary
- Studio: Discovery
- Keyword: engineering
- Director:
- Cast: