| prov:value
| - These obligations represent contracts and other commitments that are known and non-cancellable.Payments Due by Year (000s) 2011 2012 2013 2014 2015 andthereafter TotalOperating leases$735$2,823$2,502$2,338$526$8,924Flow-through obligations - 7,250 - - - 7,250Firm transportation agreements 5,793 25,917 24,237 15,737 7,831 79,515Bank debt - 165,441 - - - 165,441 $6,528$201,431$26,739$18,075$8,357$26
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