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Principal Charges Account (Tables)
12 Months Ended
Dec. 31, 2012
Principal Charges Account [Abstract]  
Schedule Of Principal Charges
    2012     2011  
Attorneys' fees and expenses   $ 1,024,834     $ 1,024,834  
Costs of surface lands     6,606,815       6,606,815  
Cumulative shipment credits     (2,388,760 )     (2,297,652 )
Cumulative asset disposition credits     (372,124 )     (372,124 )
Principal Charges account balance   $ 4,870,765     $ 4,961,873