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| mining regulation; mining regulation A rule or order prescribed by government or management to promote the safety, legality or ecological responsibility of any aspect of the process or industry of ore extraction | |||
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| 1964 Mining Regulation | |||
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| mining regulation; mining regulation A rule or order prescribed by government or management to promote the safety, legality or ecological responsibility of any aspect of the process or industry of ore extraction | |||
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| 1964 Mining Regulation | |||