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VESSELS
12 Months Ended
Dec. 31, 2011
VESSELS [Abstract]  
VESSELS
9.   VESSELS

(in thousands of $)
 
2011
  
2010
 
Cost
  657,890   657,890 
Accumulated amortization
  (221,617)  (198,858)
    436,273   459,032 

In 2010, the Company purchased two 2010-built Capesize dry bulk carriers with existing time charters at a cost of $134.2 million, excluding the value of the time charters.

Depreciation expense was $22.8 million, $19.6 million and $14.3 million in the years ended December 31, 2011, 2010 and 2009, respectively.