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Inventories
6 Months Ended
Jun. 30, 2013
Inventories  
Inventories

3.  Inventories

 

Inventories, net, consisted of the following (in thousands):

 

 

 

June 30,

 

December 31,

 

 

 

2013 

 

2012

 

Materials and supplies

 

$

  79,423 

 

$

  76,989

 

Less: Obsolescence allowance

 

 (1,052

)

 (834

)

Material and supplies, net

 

 78,371 

 

 76,155

 

Coal inventory

 

 4,287 

 

 5,519

 

Inventories, net

 

$

  82,659 

 

$

  81,675