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Coal mine maps [microform] Rev. 1990 (Safety manual ; no. 12)

Coal mine maps [microform] Rev. 1990 (Safety manual ; no. 12)
Microform図書
2001<YCA-L 38.8/2:12/990>
National Diet Library
  • Subject HeadingMine inspection -- United States Coal mines and mining -- Unit...

Mine safety : Labor's progress in doing required inspections : briefing report to the Chairman, Subcommittee on Labor, Health and Human Services, and Education, and Related Agencies, Senate Committee on Appropriations / United States General Accounting Office

Mine safety : Labor's progress in doing required inspections : briefing report to the Chairman, Subcommittee on Labor, Health and Human Services, and Education, and Related Agencies, Senate Committee on Appropriations / United States General Accounting Office
Microform図書
1986<YCA-GA 1.13:HRD-86-65 BR>
National Diet Library
  • Subject Heading... United States Mine inspection -- United States Mineral industries -- United ...

Coal mine inspection manual

Coal mine inspection manual
Microform図書
1983<YCA-L 38.8:C 63/v.4>
National Diet Library
  • Subject HeadingMine inspection -- United States Coal mines and mining -- Unit...

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