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betfred sportsbook review	Dec. 31, 2011
Empire [Member]
Related Party Transaction [Line Items]
Ownership Interest	79.00%
Tilden [Member]
Related Party Transaction [Line Items]
Ownership Interest	85.00%
Bloom Lake [Member]
Related Party Transaction [Line Items]
Ownership Interest	75.00%
Cliffs Natural Resources [Member] \| Empire [Member]
Related Party Transaction [Line Items]
Ownership Interest	79.00%
Cliffs Natural Resources [Member] \| Tilden [Member]
Related Party Transaction [Line Items]
Ownership Interest	85.00%
Cliffs Natural Resources [Member] \| Hibbing [Member]
Related Party Transaction [Line Items]
Ownership Interest	23.00%
Cliffs Natural Resources [Member] \| Bloom Lake [Member]
Related Party Transaction [Line Items]
Ownership Interest	75.00%
Arcelor Mittal [Member] \| Empire [Member]
Related Party Transaction [Line Items]
Ownership Interest	21.00%
Arcelor Mittal [Member] \| Hibbing [Member]
Related Party Transaction [Line Items]
Ownership Interest	62.30%
U. S. Steel Canada [Member] \| Tilden [Member]
Related Party Transaction [Line Items]
Ownership Interest	15.00%
U. S. Steel Canada [Member] \| Hibbing [Member]
Related Party Transaction [Line Items]
Ownership Interest	14.70%
WISCO [Member] \| Bloom Lake [Member]
Related Party Transaction [Line Items]
Ownership Interest	25.00%