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Asset Retirement Obligations (Tables)
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Dec. 31, 2013
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| Estimated Fair Value of Company's Asset Retirement Obligations |
A summary of the recording of the estimated fair value of the Company’s asset retirement obligations is presented as follows:
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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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