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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.
First Air Date : Apr 13, 2003
Last Air date : Jul 09, 2011
Episode : 77 Episode
Season : 9 Season
Runtime: 60:42 minutes
Studio: Discovery
Country: United States of America
Cast:
Crew:
