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Inventories (Tables)
9 Months Ended
Sep. 30, 2012
Inventories  
Schedule of inventories

 

 

 

 

September 30,
2012

 

December 31,
2011

 

Lime and limestone inventories:

 

 

 

 

 

Raw materials

 

$

5,621

 

$

3,540

 

Finished goods

 

1,531

 

2,107

 

 

 

7,152

 

5,647

 

Service parts inventories

 

5,243

 

5,117

 

Total inventories

 

$

12,395

 

$

10,764