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C.F.R.
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Title 30
» CHAPTER VII—OFFICE OF SURFACE MINING RECLAMATION AND ENFORCEMENT, DEPARTMENT OF THE INTERIOR › SUBCHAPTER E—INDIAN LANDS PROGRAM › PART 750—REQUIREMENTS FOR SURFACE COAL MINING AND RECLAMATION OPERATIONS ON INDIAN LANDS
30 C.F.R. § 750.21
Coal extraction incidental to the extraction of other minerals