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Income Taxes
3 Months Ended
Mar. 31, 2013
Income Taxes  
Income Taxes

9.              Income Taxes

 

The Company has estimated that its effective income tax rate for 2013 will be approximately 25.4%.  As in prior periods, the primary reason for the effective rate being below the federal statutory rate is due to statutory depletion, which is allowed for income tax purposes and is a permanent difference between net income for financial reporting purposes and taxable income.