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Effect of Coal Mine Health and Safety Act of 1969 on respirable dust concentrations in selected underground coal mines

Published Year

• 1970-1979 (1)

Subject

• Coal mines and mining--Dust control (1)
• Coal mines and mining--Law and legislation (1)
• Mine dusts (1) *
• Mining engineering--Dust control (1) *

Author

• Hughes, Mona E., (1)
• Jacobson, M. (1)
• Parobeck, Paul S. (1)

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