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Asset Retirement Obligations (Tables)
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3 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||
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Mar. 31, 2013
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| Asset Retirement Obligation [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of Change in Asset Retirement Obligation |
The following table summarizes the Company’s asset retirement obligations activity for the three months ended March 31, 2013:
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- Details
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- Definition
Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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