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Injury experience in coal mining, 1967

Injury experience in coal mining, 1968

Injury experience in coal mining, 1969

Published Year

• 1970-1979 (3)

Subject

• Coal mine accidents (3)
• Coal mines and mining--United States (3) *

Author

• Moyer, Forrest Theodore, (3) *
• McNair, Mary B., (2)
• McNair, Mary B. (1)

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