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Disclosure - Net Income (Loss) per Common Share - Antidilutive Securities Excluded from Computation of Diluted Net Loss Per Common Share (Detail) link:presentationLink link:calculationLink link:definitionLink 100440 - Disclosure - Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) link:presentationLink link:calculationLink link:definitionLink 100450 - Disclosure - Property, Plant and Equipment - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100460 - Disclosure - Accrued and Other Liabilities - Summary of Accrued and Other Liabilities (Detail) link:presentationLink link:calculationLink link:definitionLink 100470 - Disclosure - Asset Retirement Obligations - Additional Information (Detail) link:presentationLink link:calculationLink link:definitionLink 100480 - Disclosure - Long-Term Debt - Schedule of Revolving Credit Facility and Long-Term Debt (Detail) link:presentationLink link:calculationLink link:definitionLink 100490 - 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