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Income Taxes
9 Months Ended
Sep. 30, 2021
Income Taxes  
Income Taxes

9. Income Taxes

The Company has estimated that its effective income tax rate for 2021 will be 20.1%. The primary reason for the effective income tax 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.