Mine Roof Face and Ribs


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The Code of Federal Regulations of the United States of America


Book Description

The Code of Federal Regulations is the codification of the general and permanent rules published in the Federal Register by the executive departments and agencies of the Federal Government.




Code of Federal Regulations


Book Description

Special edition of the Federal Register, containing a codification of documents of general applicability and future effect ... with ancillaries.







Coal Mine Health and Safety


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Hearings


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Coal Mine Health and Safety


Book Description