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

Bureau of Mines procedure for evaluating quartz content of respirable coal mine dust

Published Year

• 1970-1979 (2)

Subject

• Coal mines and mining--Dust control (2)
• Mine dusts (2) *
• Coal mines and mining--Law and legislation (1)
• Mining engineering--Dust control (1)

Author

• Jacobson, M. (2) *
• Goldberg, Samuel A. (1)
• Hughes, Mona E., (1)
• Parobeck, Paul S. (1)

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